If you've just logged in, your browser may still be caching the pages you've already been to. Try doing a hard refresh of the page or clearing your browser cache.
Make sure you're logged in and A couple of other things to troubleshoot the issue: 1. Are you seeing ads while logged in and visiting a page you've never been before? 2. Do you get ads if you are logged in and add a "?test" to the end of the URL and hit enter? 3. Do you get ads if you log in on a different browser?
Like this random page: https://www.allmusic.com/album/test-pattern-mw0000792405
Or follow this link: https://www.allmusic.com?test