How to assign Approval Limits to user
PO Super User
Setup > Approvals > Approval Assignments
Select Job = .GCSM Delivery Manager. (User job title)
Document Type = Approve Purchase Requisitions
Approval Group = APPROVAL 5000
Once the above process is done then we should run the process 'i2 AP Maintain Web Signing Limits'. after this process the AP Signing Limits table was automatically updated.