Well, as a general rule, it's not possible to see if a private account has a story. Since it's private, the content including stories is restricted to the people the account owner has allowed to follow them. You don't have any visibility into their story status until you become an approved follower.
No, generally, on most social media platforms, private accounts restrict the visibility of their stories to only approved followers. So, if you're not on their approved list, you can't see their stories.
In most cases, if your account is set to private, they shouldn't be able to see that you saw their story. But it can depend on the specific platform's privacy settings.
No. A private account's ability to see stories depends on the privacy settings of the accounts that post the stories. If an account has restricted who can view their stories, a private account might not be able to see them.
No, people cannot see if you screenshot an Insta story on a private account. Instagram's policy on screenshotting stories applies uniformly regardless of the account type being public or private. So, you don't need to worry about the account being private when it comes to screenshotting a story without the owner being aware. However, always remember to respect the privacy of the content even if the owner can't see that you've screenshot it.