we have a requirement to restrict PO approvers from delegate , Reassign, Escalate, suspend workflow

Summary: we would like to restrict PO approvers from delegate , Reassign, escalate , suspend and Skip current assignment from the workflow. we want to hide this functions from Action menu. please let me know how can we achieve this

Content (required): we would like to restrict PO approvers from delegate , Reassign, escalate , suspend and Skip current assignment from the workflow. we want to hide this functions from Action menu. please let me know how can we achieve this

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