Yes. Different platforms have different interfaces for this. But generally, if you have created a private story, you are allowed to remove it. Some platforms might even have a time limit for how long the private story remains available, after which it gets automatically deleted. And if you want to delete it before that time, it's usually a straightforward process like finding the story in your story list, long - press (on mobile) or right - click (on desktop), and then select the delete option.
Yes, you can usually delete a private story. The exact steps may vary depending on the platform. For example, on some social media platforms, you can go to the settings or options related to your stories, find the specific private story, and there should be an option to delete it.