Should I be switching to use the ERP role if I have started my implementation?

If you have created custom versions of the Employee / Contingent Worker / Line Manager roles in your current implementation, you do not have to switch to the ERP role. You can continue using your custom roles.

If you have created custom versions of the Employee / Contingent Worker / Line Manager roles in your current implementation, you do not have to switch to the ERP role. You can continue using your custom roles.