We have 6 types of user permissions :

1. View: View transaction details, download report, check billing details and status
2. Edit: Upload and delete batch disbursement, validate name mismatch on batch disbursement, generate invoice
3. Approve: Approve batch disbursement
4. Admin: Add and delete user, edit user access, add, edit, and delete withdrawal bank account, change business settings, enable/disable disbursements
5. Developers: Set API keys, change callback URLs, add and delete summary email recipients
6. Withdraw: Withdraw funds to registered withdrawal bank account

For further information, you can read more here.