to the one you want to see. Slowly swipe left or right toward the target story without letting go of the screen. This allows you to peek at the content (images only, videos won't play) without registering as a viewer. If you let go, the view will be counted. Third-Party Web Viewers : Several websites allow you to view
This is incredibly dangerous for your account health. First, Facebook logs all block/unblock actions. Doing this repeatedly flags you as a harasser. Second, there is a delay. The user may have seen your name before the block processed. Third, when you unblock, you will have to re-add them as a friend (if they were a friend), which alerts them anyway. view facebook stories anonymously
If you're looking for a more drastic measure, you can create a secondary Facebook account. This way, you can view stories anonymously without affecting your primary account. to the one you want to see