Is there a way to stop 10% of your requisition for auto-generating PO based on flex field value?

Summary:

we still want our 90% of our requisition to auto-generate PO upon approval

Content (required):

is there a way to stop 10% of your requisition for auto-generating PO based on flex field value? we still want our 90% of our requisition to auto-generate PO upon approval

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):