Grant on Requisition Line Security Options meaning

Summary:

Need to explore meaning of the the options defined for the "Grant on Requisition Line" policy for the "Buyer" role.

Content (please ensure you mask any confidential information):

Created a copy of the standard "Buyer" role. There is a grant defined for "Requisition Line".

I see three options on this data security as below.

1. Access the requisition for table POR_REQUISITION_LINES_ALL for themselves for the financial business unit associated with their primary assignment
2. Access the requisition line for the requisitioning business units for which they are authorized
3. Access the requisition line for table POR_REQUISITION_LINES_ALL for themselves for the business units for which they are authorized