QRZ is a web site that contains information about individual hams such as name, address, license class, etc., plus any information that the ham wants to include.
Lookups indicate that number of times the page has been accessed by other hams. Typically that is done during a contact. Thus 50 lookups implies that she is not very active. Many hams have contacts exceeding 10,000.
Can the operator see who looked them up? this is kinda important if she was passing data back and forth to build and distribute this dossier, particularly unmasked conversations... or referencing PDBs.