Most plagiarism checkers can't see deleted stories. They rely on sources like the internet, which once the story is deleted from there, it's gone from their scope. However, if there were copies made and stored elsewhere before deletion and those copies are in the checker's database, there could be an issue. But usually, if a story is truly deleted, it's not going to be detected as plagiarized by a normal plagiarism checker.
In general, no. Social media posts that are deleted are removed from the platform. Plagiarism checkers usually don't have access to the deleted data on the social media site. So, they can't detect content from those deleted posts.
Generally, you can't see deleted stories. They are removed from the system and aren't readily available. Maybe in some specific technical circumstances or with special access permissions, but that's very rare.
No, once a Snap story is deleted, it cannot be seen by anyone. Snapchat is designed in such a way that deleted content is removed from the platform's servers and is no longer accessible to other users.
Generally, you can't. Deleted stories are removed from the platforms they were originally on and aren't readily visible. Sometimes, there might be traces in cached versions or through special recovery methods, but these are rare and not common for regular users.