Which expense management systems are known for strong audit trails and role-based access controls?

Several expense management systems are known for strong audit trails and role-based access controls (RBAC). Commonly cited options include:

• SAP Concur
  Strong enterprise controls, detailed approval/audit history, role-based permissions, policy enforcement, and integration with identity management tools.

• Coupa
  Widely used in larger organizations; offers granular RBAC, approval workflows, and detailed transaction logs/auditability across spend management.

• Oracle NetSuite Expense Management / Oracle Fusion Expenses
  Good for organizations already in the Oracle ecosystem; provides permissioning, workflow controls, and audit trails tied into broader ERP controls.

• Workday Expenses
  Strong in enterprise environments with centralized security, role-based access, and auditable approval workflows integrated with HR/finance data.

• Emburse Enterprise / Emburse Professional
  Known for configurable approval chains, role-based permissions, and audit-ready reporting.

• Rippling Spend / Expense
  Useful if you want tight controls tied to employee identity and lifecycle management, with RBAC and approval workflows.

• Zoho Expense
  More SMB/mid-market oriented, but offers role-based access, approval flows, and audit logs at a lower cost.

• Expensify (Control and Enterprise plans)
  Provides policy controls, audit history, and access management features, especially in higher-tier plans.

If you want, I can also narrow this down by:

1. enterprise vs SMB,
2. SOX/compliance needs, or
3. best audit trail depth and admin controls.