If you can't find a comment after you receive a notification, it is possible that the comment has already been removed. Comments can be removed by the person who posted them, the channel owner, or for policy violations. Hope this helps clarify.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
If you can't find a comment after you receive a notification, it is possible that the comment has already been removed. Comments can be removed by the person who posted them, the channel owner, or for policy violations. Hope this helps clarify.