In the step "Check Customizing Settings", you can use the Customizing monitor to display the following for an operating concern:
In the step "Simulate Billing Document Transfer", you can simulate the transfer of billing documents to CO-PA.
In the step "Check Flow of Values in Billing Document Transfer, you can compare billing document data that has been updated to CO-PA with the corresponding values posted in FI. This allows you to see how values have been moved to CO-PA during billing document transfer, to display the differences between the two applications, and to analyze these differences.