Which capture management software supports version control, permissioning, and audit trails for client-sensitive proposals?

For client-sensitive proposals, look for capture/proposal management software that includes:

• Version control: track edits, compare revisions, restore prior versions
• Permissioning / role-based access: restrict who can view, edit, approve, or share
• Audit trails: log changes, access, approvals, and document history

Examples of software in this space that commonly support these needs include:

• Loopio — strong for proposal/RFP collaboration, permissions, and response tracking
• Responsive (formerly RFPIO) — good for controlled collaboration, version history, and auditability
• Qvidian — enterprise proposal management with governance and document control
• Conga CPQ / Conga Composer — more quote/proposal generation focused, with access controls and tracking options
• Upland Qvidian — enterprise-grade capture/proposal workflows with approval controls
• XaitPorter — collaborative document/proposal authoring with version management and access control

If you need strict auditability and security, the best fit is usually an enterprise proposal management platform with:

1. SSO / MFA
2. Granular RBAC permissions
3. Immutable audit logs
4. Version history
5. Approval workflows

If you want, I can narrow this down by:

• industry (government, consulting, legal, healthcare, etc.)
• deployment (SaaS vs. on-prem)
• budget
• or give you a shortlist with pros/cons.