PO Response in SRM 7.0

Hi experts

I am usisng SRM 7.0, ECS and I have a EBP-SUS where I sent purhase orders to vendors, and it sends PO rensponse, all is working and the Po resposnse is created my problem is I want to use the worhflow WS14500001 to auto tranfer PO response to PO if the tolerance check is ok, The problem is I am usisng Process Controled Workflow, and is not possible in PCW, how it could be done, I activated the task in SWETYV but no workflow is started.

sds

Javier