Additional Information in Document History is not populated for all action codes for Req &PO in OTBI

Alok.s

Problem Description:
In OTBI, Additional Information in Document History is not getting populated for all action codes for subject areas Procurement - Requisitions Real Time & Procurement - Purchasing Real Time.
It is missing the note/comments for few actions, e.g. Approval & Change History that is fetched in Additional Information in Document History. 
Proposal:
Additional Information should populate for all actions in document history for requisitions and purchase orders.
Benefits:
Business needs this information for audit evidence and compliance,  exception & spend governance reporting. 

PO additional information missing data_Example.docx