Realistically, due to Facebook’s privacy stance, any working viewer tool would require user consent and only track interactions through a third-party link (not native FB views).
If you want to see someone’s photos, the safest and most respectful route is simply to send them a friend request. fb profile pic viewer
: Visit a reputable site like Viewri or PeekViewer and paste the link into the search box. due to Facebook’s privacy stance
You can also use online tools like: