: Past and future posts, photos, and stories are visible only to friends.
Understanding Facebook Profile Locking and Workplace Visibility
: Non-friends cannot click or zoom in on the profile picture or cover photo.
Generally, . If you are not friends with the user, their professional history and education will be hidden. Non-friends typically see only a minimal version of the profile, which may include the person's name, profile picture (in low resolution), and a very limited snippet of "About" info that the user has explicitly kept public. Lock your Facebook profile | Facebook Help Center
A locked Facebook profile is a comprehensive privacy feature that significantly restricts what non-friends can see. When a profile is locked, most personal information—including work history and education—is hidden from the public and people not on the user's friends list. How the Facebook Profile Lock Works