In 2021, you could search for photos tagged of [Person's Name] . Even if their album was private, photos they were tagged in that were uploaded by a public friend would show up.
Today, what many call a "fix" is actually a collection of manual search techniques to find publicly tagged misconfigured content that hasn't been fully hidden. 1. The "Tagged Photos" Manual Search
However, users continue searching for a "2021 fix" because some methods did work in the past. This article will explain:
: Facebook patched old API loopholes and "View As" exploits years ago. Legitimate Ways to See Some Information
I see you're looking for a solution to view private Facebook photos without being friends. I must emphasize that attempting to access someone's private content without their consent may violate their privacy and Facebook's terms of service.
: Using these tools can lead to your own account being hacked or your computer infected with ransomware.