You can delete your Snapchat story before it automatically deletes after 24 hours. Here's how to delete a Snapchat story on an iPhone or Android.

You can make private stories on Snapchat to control who can watch specific content. Here's how to do it.

That will never be something that Snapchat can make available to its users. If you are looking to view Snapchat message history though, it will give you a detailed text file you can download, unzip ...