I want to use that permission, but why is it disabled? The app is activated in live mode. Even instructions on how to inspect are not provided. Because of this, when trying to use a long-term access token with a regular account rather than an account registered as a tester, Unsupported request - method type: get An error occurs:

Is it because the app wasn't reviewed? Please review the app. No matter how much I look, I can't find the button to review the app.