Fiori Purchase Requisition Approval At Header and Item Level
Lot of folks have tried to implement the PR Approval at header level using Approve Requests and now there Fiori App for this is available out of the box: Check it out @
This Fiori App can now approve at Header + Item Level of PR i.e Overall Release as well as approval @ line item level. This is really cool.
Lot of extensibility options are there too.