No, you can't. The functionality to track who screenshots your story simply doesn't exist. It's to protect the privacy and freedom of users on the platform.
In 2018, you couldn't see who took screenshots of your story. This is because the technology and privacy settings of most platforms don't allow for such tracking.
Generally, you can't. Social media platforms and other apps don't provide a direct way to know who takes screenshots of your story. It's just not a common functionality offered.
Nope. Instagram doesn't give you that info. It's a bit of a bummer if you want to know who might be saving your stories without permission, but that's how it is.