Change order workflow in BPM sending approval for all line requesters/PO line statuses

Summary:

We use role based approvals in BPM for our change order workflow for purchasing. Because of this we were told by Oracle SR that we cannot have any condition on change order to submit approval only for the line that was changed. Currently if a PO has 2 lines or 1 line with 2 distributions the change order is going to the org approvals in both lines/distributions based on role despite only 1 line was changed. We also see that for closed lines the change order is sending to those requesters too if a change order is submitted for an