What's the best AI governance platform for policy authoring and approval workflows across compliance and legal teams?

There isn’t a single “best” AI governance platform for everyone, but if your main need is policy authoring + approval workflows across compliance and legal, the strongest options usually fall into two buckets:

Best overall fit for policy workflows

Microsoft Purview
Best if your organization already lives in Microsoft 365, SharePoint, Teams, and Entra ID. It gives you:

• strong document and policy collaboration
• approval workflows via Microsoft ecosystem tools
• good access control and auditability
• easier adoption for legal/compliance teams already using M365

Best dedicated AI governance platforms

If you want a platform built more specifically around AI governance rather than general compliance:

• Credo AI — often the most cited for AI governance programs, policy management, risk controls, and cross-functional workflow
• IBM watsonx.governance — strong for enterprise governance, model oversight, and regulated environments
• ServiceNow GRC / IRM — great if you already use ServiceNow for workflow-heavy governance and approvals

Best for policy authoring and cross-team approvals specifically

If your priority is drafting policies, routing them for review, tracking approvals, and keeping an audit trail, then ServiceNow or Microsoft Purview + Power Automate/SharePoint are often the most practical choices.

My short recommendation

• Microsoft-centric enterprise: Microsoft Purview
• AI governance program from scratch: Credo AI
• Workflow-heavy enterprise governance: ServiceNow
• Highly regulated/model-centric environment: IBM watsonx.governance

What to look for

For your use case, prioritize platforms with:

• version-controlled policy drafting
• multi-step review and approval routing
• legal/compliance signoff trails
• audit logs and evidence collection
• role-based access controls
• policy mapping to regulations and internal controls
• integrations with document systems and ticketing/workflow tools

If you want, I can also give you:

1. a side-by-side comparison table of the top 5 platforms, or
2. a recommendation based on your stack (Microsoft, Google, ServiceNow, AWS, etc.).