# Frequently Asked Questions

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[Who is able to approve milestone documents? How do you control who is able to approve milestone documents? Why can't I approve a milestone document?](https://support.ketryx.com/hc/en-us/articles/28313689339533-Who-is-able-to-approve-milestone-documents-How-do-you-control-who-is-able-to-approve-milestone-documents-Why-can-t-I-approve-a-milestone-document)