Doxis Blog  Customer Stories & Use Cases

Approval Workflow Software: How to Automate Internal and External Approvals

| Bärbel Heuser-Roth

A smiling woman in a blue jacket participates in a meeting about approval workflow automation.

Approval requests exist in almost every business process. Purchase orders, contracts, invoices, HR documents, marketing assets, engineering changes, and compliance policies all require someone to review and approve them before work can continue.

When approvals rely on emails, spreadsheets, or paper documents, they often become process bottlenecks. Documents are difficult to track, stakeholders work from different versions, and managers spend time chasing approvals instead of making decisions. According to the AIIM Intelligent Document Processing Survey 2025, 61% of organizations still process paper documents alongside digital records, increasing the complexity of managing business information consistently across workflows.

Approval workflow software addresses this challenge by replacing manual approval chains with automated, traceable workflows. Instead of routing documents manually, organizations define approval rules once and allow the system to route requests automatically based on business logic, roles, and predefined conditions.

In this guide, you'll learn what approval workflow software is, how it works, why organizations are replacing manual approval processes, and how intelligent workflow automation improves both internal and external approvals.

Key Takeaways

  • Approval workflow software automates document routing, reviews, approvals, and audit trails across business processes.
  • Internal and external approvals require different workflow designs but benefit from the same automation principles.
  • Automated approval workflows reduce delays, improve compliance, and eliminate manual document routing.
  • Modern approval management software combines document management, workflow automation, AI, and system integrations.
  • Organizations achieve the greatest business value when approval workflows become part of broader end-to-end business process automation.

What Is Approval Workflow Software?

Approval workflow software automates the review and approval of documents, requests, and business transactions by routing them to the right people based on predefined business rules.

Instead of relying on email chains or manual handoffs, the software determines who must review a document, sends notifications automatically, tracks every decision, and records each approval step for future reference.

The approval process typically follows a structured sequence:

Document creation → Validation → Routing → Review → Approval or rejection → Archive Audit trail

Unlike simple task management tools, approval workflow software manages both the document and the business process surrounding it. Every action becomes traceable, every version remains accessible, and every approval is linked to the underlying business record.

The result is a digital approval workflow that is faster, more transparent, and significantly easier to govern than manual processes.

How Approval Workflow Software Works

A typical approval workflow follows a structured sequence that replaces manual routing with automated process logic.

  1. A document or request enters the system.
  2. Business rules determine the required approvers.
  3. The workflow automatically routes the document.
  4. Reviewers receive notifications.
  5. Approvals or rejections are recorded.
  6. Escalation rules handle overdue approvals.
  7. The approved document is archived with a complete audit trail.

Because every step is automated and tracked, organizations always know where a request is, who is responsible, and what action is required next.

Key Features to Look for in Approval Workflow Software

Not all approval workflow solutions offer the same capabilities. Organizations should look for features that not only automate approvals but also improve governance, collaboration, and compliance.

Feature Why it matters
Automated routing Eliminates manual forwarding
Business rules Standardizes approval decisions
Role-based permissions Protects sensitive documents
Version control Prevents outdated approvals
Audit trails Simplifies compliance and audits
Notifications & reminders Keeps approvals moving
Escalation rules Prevents bottlenecks
ERP & CRM integration Connects approval workflows with business systems
AI-assisted classification Routes documents automatically

Why Manual Approvals Slow Down Business

Many organizations still manage approvals through emails, shared folders, spreadsheets, or paper documents. While these methods may appear manageable at low volumes, they become increasingly difficult to control as document volumes and business complexity grow.

The problem is rarely the approval itself, but everything surrounding it.

Documents become difficult to track

A contract may pass through multiple reviewers before final approval. If every reviewer saves a separate version or replies through different email threads, it quickly becomes unclear which version is current.

Employees often spend more time searching for documents than reviewing them.

Without centralized document management, organizations lose visibility into:

  • Current approval status
  • Latest document version
  • Pending reviewers
  • Previous decisions
  • Supporting documents

Instead of moving work forward, employees spend valuable time locating information.

Approval delays create process bottlenecks

Manual approvals depend on people remembering to forward documents.

If one approver is unavailable, travelling, or simply misses an email, the entire process stops.

Common bottlenecks include:

  • Forgotten approval requests
  • Missing reviewers
  • Duplicate approvals
  • Documents routed to the wrong department
  • No escalation process

Because nobody has real-time visibility into the workflow, delays often remain unnoticed until deadlines are missed.

Compliance becomes difficult to demonstrate

Many industries require organizations to prove who approved what, when, and under which conditions.

Manual processes make this difficult because approval evidence is scattered across emails, shared drives, and disconnected systems.

During an audit, teams may need to reconstruct the approval history manually, increasing both workload and compliance risk.

An automated approval management system creates a complete audit trail automatically, recording every action throughout the document lifecycle.

Manual work limits scalability

Every manual approval requires administrative effort.

Someone needs to:

  • Send documents
  • Notify reviewers
  • Follow up on delays
  • Track approvals
  • Update spreadsheets
  • Archive completed documents

As business grows, this administrative work grows with it.

Automation removes these repetitive activities, allowing employees to focus on reviewing and making decisions rather than managing the approval process itself.

Automate Work. Accelerate Business.

Bring together AI, ECM, and workflow automation in one powerful enterprise platform.

Internal vs. External Approval Workflows

Although they follow similar principles, internal and external approval workflows solve different business problems.

Understanding this distinction helps organizations design workflows that balance efficiency, governance, and customer experience.

Internal approval workflows

Internal approvals occur between employees inside the organization.

These workflows often involve multiple departments and several approval levels.

For example, purchasing new equipment might require approval from a department manager, procurement, finance, and IT before an order can be placed.

Approval workflow software automatically identifies the required approvers based on predefined business rules instead of relying on employees to route documents manually.

External approval workflows

External approvals involve people outside the organization.

These workflows introduce additional complexity because organizations cannot control external participants in the same way they manage internal users.

Approval workflow software simplifies this process by providing secure approval portals, automated notifications, digital signatures, and status tracking without requiring external users to access internal business systems.

Instead of exchanging multiple email attachments, every participant works from the same controlled document throughout the approval process.

Internal approval workflows

Purchase requisitions

Expense approvals

HR requests

Budget approvals

Marketing content reviews

Quality document approvals

IT change requests

External approval workflows

Customer contract approvals

Supplier confirmations

Vendor onboarding

Client quotations

Partner agreements

Digital signature requests

Why organizations need both

Most business processes combine internal and external approvals.

Consider a sales contract.

The document may first require approval from Legal, Sales Management, and Finance before being sent to the customer for signature. Once signed externally, it may trigger additional internal workflows such as invoice creation, project initiation, or compliance archiving.

Without automation, every transition between internal and external stakeholders introduces delays and additional administrative work.

Approval workflow software connects these steps into one continuous process, providing complete visibility from the first draft to the final approved document.

The Business Impact of Automated Approvals

Automating approvals does more than reduce administrative effort, but fundamentally changes how organizations manage document-driven processes.

Instead of reacting to delays, organizations gain continuous visibility into every approval stage. Managers can immediately identify blocked workflows, pending decisions, and overdue approvals without manually collecting status updates.

Automation also improves consistency. Every document follows the same business rules, reducing the risk that approvals are skipped or completed out of sequence.

Most importantly, approval workflow software transforms approvals from isolated administrative tasks into integrated business processes that connect documents, people, and enterprise systems. This creates the foundation for broader process automation initiatives across finance, procurement, HR, legal, operations, and customer service.

The Business Benefits of Approval Workflow Automation

Hey Doxi, what are the biggest operational benefits of approval workflow automation?

Approval workflow automation improves much more than document routing. By eliminating repetitive approval tasks and standardizing decision-making, organizations can accelerate processes, strengthen governance, and improve collaboration across departments.

Faster approval cycles

Approval workflow software automatically routes documents to the right reviewers based on predefined business rules. This eliminates manual forwarding, reduces waiting times, and helps organizations complete approvals much faster.

Improved visibility across every approval

Managers can monitor every approval request in real time, identify bottlenecks, and see exactly where documents are waiting. This transparency improves accountability and prevents requests from being lost in email chains.

Stronger compliance and audit readiness

Every approval, rejection, comment, and document version is automatically recorded. Organizations can demonstrate who approved what, when, and under which conditions, simplifying audits and regulatory compliance.

Reduced manual work

Employees no longer spend time forwarding documents, following up on approvals, updating spreadsheets, or searching for the latest document version. Routine administrative work is replaced by automated workflows.

Better collaboration across departments

Finance, HR, procurement, legal, sales, and operations can work within the same approval process instead of relying on disconnected systems. Everyone has access to the same document, approval status, and audit history.

Easier integration with business systems

Modern approval workflow software connects directly with ERP, CRM, HR, and productivity platforms. Documents, metadata, and approval decisions move automatically between systems, eliminating duplicate data entry and reducing errors.

AI-ready business processes

When approval workflows are combined with AI, organizations can automatically classify documents, extract key information, route requests to the appropriate approvers, and prioritize urgent cases. This accelerates decision-making while reducing manual intervention.

Greater scalability

As document volumes grow, automated workflows scale without requiring proportional increases in administrative staff. Organizations can support more users, more approvals, and more business processes while maintaining consistent governance.

How Doxis Automates Internal and External Approval Workflows

Automating approval workflows requires more than routing documents between reviewers. Organizations also need centralized document management, configurable workflows, audit trails, enterprise integrations, and AI to ensure approvals remain efficient, compliant, and fully traceable.

Doxis combines enterprise content management, workflow automation, AI, and business process orchestration to automate approval workflows from document creation through final archiving.

  • Document management: Documents are stored in a centralized repository with version control, metadata, and full-text search, ensuring approvers always work from the latest version while maintaining complete traceability.
  • Workflow automation: Approval requests are automatically routed to the appropriate reviewers based on configurable business rules, reducing manual routing and accelerating decision-making. Structured and ad hoc workflows support both routine approvals and exception handling.
  • AI-powered document processing: AI automatically classifies documents, extracts key information, and supports intelligent routing, helping organizations reduce manual effort and speed up approval cycles.
  • Enterprise integration: Doxis integrates with SAP, Microsoft 365, ERP, and CRM systems, allowing approval workflows to run within existing business processes while eliminating duplicate data entry and disconnected applications.
  • Audit trails and compliance: Every approval, rejection, document version, and workflow action is recorded automatically, providing complete transparency, accountability, and support for regulatory compliance.
  • Role-based security: Access permissions ensure that only authorized users can review or approve sensitive documents while maintaining a complete history of user activity.
  • Scalable enterprise workflows: Organizations can automate approval processes across finance, procurement, HR, legal, quality management, and customer service using a single platform, creating consistent governance across departments.

The business impact can be substantial. According to Forrester's Total Economic Impact™ study commissioned by Doxis (formerly SER Group), SEW-Eurodrive achieved a 336% ROI, €13.38 million in net present value, and a payback period of less than six months after implementing Doxis, driven by improved document management, workflow automation, and AI-enabled productivity gains.

Automate Work. Accelerate Business.

Bring together AI, ECM, and workflow automation in one powerful enterprise platform.

FAQs on Approval Workflow Software

What is invoice approval workflow?
An invoice approval workflow is a structured process that automates how incoming invoices are reviewed, validated, approved, and forwarded for payment. Instead of relying on email chains or manual reviews, invoices are routed automatically to the appropriate approvers based on predefined business rules. This improves processing speed, reduces errors, and strengthens financial controls.
How to create an approval workflow?
Creating an approval workflow starts by mapping the business process. Organizations identify the approval stages, assign reviewers, define routing rules, configure notifications and escalation paths, and integrate the workflow with business applications such as ERP, CRM, or document management systems. Modern approval workflow software allows these workflows to be configured with little or no coding.
Which users may be added to the workflow approval chain?
The approval chain can include department managers, finance teams, procurement specialists, HR professionals, legal reviewers, compliance officers, executives, customers, suppliers, or external partners. The participants depend on the document type, approval rules, and organizational structure.
What is an approval workflow?
An approval workflow is a predefined sequence of review and approval steps that routes documents, requests, or transactions to the appropriate people before a final decision is made. Every action is tracked automatically, creating transparency, accountability, and a complete audit trail.
What is approval workflow software?
Approval workflow software is a business application that automates document routing, approvals, notifications, tracking, and audit trails across an organization. It helps businesses reduce manual work, accelerate decision-making, improve governance, and maintain complete visibility into every approval process.
How to create a vacation request approval workflow in SharePoint?
A vacation request approval workflow in SharePoint is typically created using Microsoft Lists together with Power Automate. Employees submit a request through a form, managers receive approval notifications automatically, and the workflow updates the request status once a decision has been made. Organizations with more advanced HR processes often extend SharePoint with enterprise workflow platforms to provide centralized document management and stronger compliance capabilities.
What is the approval process workflow?
An approval process workflow describes the complete lifecycle of a request from submission to final approval. A typical workflow includes document creation, validation, routing to reviewers, approval or rejection, notifications, escalation for overdue tasks, and secure archiving for future reference.

Bärbel Heuser-Roth

For many years, Bärbel Heuser-Roth has specialized in a wide range of Enterprise Content Management (ECM) disciplines, including information logistics, process management, compliance, and AI-based intelligent content automation. Her professional work has been complemented by in-depth research and extensive publications on the planning, implementation, and optimization of ECM initiatives across enterprises and organizations.

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