Contract Purchase Agreement -- How to set Auto Approved

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Hi,

We have cloud purchasing enabled ( POs are set to auto-approved currently) and now implementing Self Service Procurement and the Requirement is  to

1.  Enter a Requisition and upon approval automatically create a PO.  

I was able to create a requisition and approve it.

but one of the required setups for auto generate orders to create PO automatically is  requisition with Agreement.

I created a contract purchase agreement but was rejected by the system.   How to set it to auto-approved?  

I saw approvals for requisitions and purchasing documents ( is agreement part of the purchasing document approvals?)

Also what are the other required setups to create PO automatically.  I found some information on metalink but wondering if anyone had done this in fusion.