You can use the system-generated roles such as Data Controller or Compliance, or you can add the permissions to user-defined roles.
Risk Analysis - File Storage Optimization and Sensitive Data Governance
| User roles | Permissions | Associated CommCell entities | 
|---|---|---|
| 
 | 
 | CommCell or Company (Tenant) | 
| Data Processor (reviewer) | No permissions are needed | 
eDiscovery and Compliance
| User roles | Permissions | Associated CommCell entities | 
|---|---|---|
| Case Manager User | 
 | Exchange user mailbox, Journal mailbox, or SMTP clients where the custodian data is backed up | 
| Case Manager Reviewer | 
 | Exchange user mailbox, Journal mailbox, or SMTP clients where the custodian data is backed up | 
| Compliance Officers | 
 | Servers or server groups |