Can Someone — See Who Viewed Their Facebook

Facebook explicitly states in its Help Center that it does not provide a way for people to track who views their profile. This applies to both the mobile app and desktop versions. Because this data is not collected or shared, you can browse other people's profiles without them receiving any notification. What You Can See

Privacy Illusions and User Curiosity: An Investigation into Whether Facebook Allows Profile View Tracking can someone see who viewed their facebook

These are content-specific views, not profile views. Facebook explicitly states in its Help Center that