It's unlikely. Social media platforms don't typically have a way for the person whose story you screenshot to know. However, it's always best to respect others' content and only screenshot with good intentions.
Generally, no one can tell. But it's important to remember that sharing or using the screenshot without permission might not be ethical or legal. So, be cautious and use screenshots responsibly.
In most cases, no. Usually, there's no built-in notification feature that alerts someone if you screenshot their story.