If a third-party app claims to have this data, it is lying. They cannot access what does not exist.
To provide the best text for a "Facebook Page Viewer," it helps to know if you are addressing your audience, describing a tool, or looking at your own insights. Here are a few options based on common needs: 1. Engaging Your Audience (Community Building) facebook page viewer
Facebook explicitly states they do not provide this data to anyone, including the profile owner or third-party developers. If you’d like, I can help you: If a third-party app claims to have this data, it is lying
When you search for a "Facebook page viewer," you are entering a digital minefield. Here is what actually happens when you click "Allow" on those shady websites. describing a tool