Which employee self-service assistants are known for role-based access controls and auditability?

Employee self-service assistants that are commonly known for role-based access controls (RBAC) and auditability are typically the enterprise-grade HR and IT service platforms rather than general-purpose chatbots. Examples include:

• ServiceNow Virtual Agent — strong enterprise RBAC, detailed audit logs, and workflow approvals.
• Microsoft Copilot for Microsoft 365 / Viva / Entra-integrated assistants — inherits Azure AD/Entra role controls and Microsoft compliance/audit tooling.
• Workday Assistant — role-based security model and transaction/audit tracking in HR workflows.
• SAP SuccessFactors (and SAP Joule where applicable) — enterprise security model, authorization roles, and audit trails.
• Oracle Digital Assistant for HCM/ERP — uses Oracle IAM roles and supports audit/compliance in enterprise deployments.
• UKG / ADP self-service assistants — typically provide role-based permissions and activity logging for HR/payroll actions.

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

1. HR-focused assistants only,
2. IT/helpdesk self-service assistants, or
3. a comparison table with security/audit features.