Need Supportive document or advise for alternative Self-Service Role for PO Inquiry Job role

Summary: We need alternative Self-Service custom job Role instead of using custom PO Inquiry Job Role which is impact the license count. We have received a document to create Self-service role for AP inquiry and GL Inquiry. If we got similar document for PO inquiry it will be helpful. or if possible please share the Privileges details which can be removed from the existing role to not hit the license report.

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