It is NOT acceptable for the Product Owner to attempt to proxy or outsource his/her duties. The Product Owner will work in concert with the Scrum Master to utilize Scrum correctly and advantageously and try to never been seen as subverting
or disrespecting the Scrum framework. When something about Scrum frustrates a Product Owner, he/she should consult the Scrum Master for ways to implement the Scrum framework in a way that is effective.