We need Self service roles for approvers to view the documents & approve them?

We are in requirement on roles from "Oracle Enterprise Resource Planning Self Service Cloud service subscription". We need to assign these self service roles to certain users in the organization whose job will be only to login, view the documents and approve the transactions. We are looking for approval roles for the below modules.

1. Accounts Payable
2. Accounts Receivables
3. General ledger
4. Cash Management
5. Fixed Assets
6. Projects
7. Grants
8. Procurement - Requisitions, Purchase orders, Purchase Agreements, Sourcing, Contracts, Supplier registration
9. Expenses

Could you please provide us with the roles names for the above purpose.

Thank you

Sriram