By default debug is not enabled. If you want to enable it below are profile options to set and verify in Workflow Administrator web applications responsibility
Account Generator: Run in Debug Mode=> Yes
Account Generator: Purge Runtime Data=> No
PO: Set Debug Workflow On => Yes
Please refer below MOS
FAQ: Account Generator (Doc ID 216831.1)
How To Diagnose Issues In The Charge Account Generation In iProcurement (Doc ID 726378.1)
R11 What Are The Basic Steps Of The Purchasing Receipt Accrual Period-End Process? (Doc ID 467584.1)
