It's possible. For example, if they pay close attention to who views and interacts with their stories, and you suddenly stop, they could suspect something. Also, if they specifically ask others and someone mentions your lack of response, they might figure it out.
No. Social media platforms are designed to protect the privacy of the user who mutes. There is no feature that notifies the story creator that you have muted their story. It's just a way for you to control your own feed without causing any awkwardness or alerting the other person.
No. Snapchat doesn't notify the user if you mute their story. It's a way for you to manage your own viewing experience without the other person being aware.
In some cases, you can tell. For example, if you notice a significant drop in views or interactions from a particular person who used to engage regularly, it could be a sign. But it's not always straightforward and different platforms handle it differently.
It can be tricky. Maybe if you notice a sudden drop in views or interactions from a particular person and they don't respond to your direct messages related to the stories, that could indicate they muted it.
No, they can't. When you mute someone's story on most social media platforms, it's a private action on your end and there's no notification sent to the person whose story you muted. So, they have no way of knowing that you've muted their story.