Once we enable the Vendor Invoice Automation - we have a Parameter to enable - which would restrict all the Pending Invoices further to Submit to Vendor Invoice Workflow if there are Quantity Mis-matches. But there is no similar parameter or system restriction where Pending Invoices submitting to Workflow even they have Price matching discrepancies.
Because of which lot of Pending Invoices got strucked in Workflow failure and since business users doesn't have access to Recall the Workflow (being setup with Admin account and Recall duty lies within System admin), they need to request to internal IT department to Recall all these workflows so that they can update them or further action them.
So, looks like a potential gap in the complete process which I think MS team should look into and provide the solution or assist in case I am missing some existing parameter or configuration.