Hello Jay,
A first step would be to check the Release Information Notes for SAP CC.
- SAP CC 3.0 Release Information Note: SAP Note 1583996
- SAP CC 3.0 Release Restriction Note: SAP Note 1575642
- SAP CC 4.0 Release Information Note: SAP Note 1856154
To make it short, SAP CC 3.0 is the first version that is tighly integrated to other SAP components for the Hybris Billing (formerly BRIM) solution. SAP CC 4.0 introduces support for additional business scenarios.
Best regards
