Flexible workflow for purchase requisition not triggered.

I person acceptable each configurations of flexible workflow for acquisition requisition but I person the pursuing problem:

-After redeeming the PR, alternatively of the merchandise strategy tab astatine item-wise approval, determination is simply a tab "approval details". Having this tab shows that the strategy has realized that alternatively of the accepted merchandise strategy, determination should beryllium workflow approval. But the contented is that this tab is each bare and nary workflow has been determined. Previously I configured flexible workflow successful different server (although I had immoderate problems there) and successful that server I would spot that flexible workflow was astatine slightest triggered successful the support details tab.

Can anyone assistance maine connected this issue?