e-file information should be available on "My Account", but still you should process all of them on your machine. It is your EFIN, you need to control it. https://accountants-community.intuit.com/articles/1861870-verifying-e-file-status-information-from-l...
That means YES you need to have all of those preparer credentials (PTIN, EA, etc) https://accountants-community.intuit.com/articles/1857267-add-delete-or-modify-a-preparer