Yes, you can. On Facebook, you can go to your privacy settings. There, you can choose who can view your stories. You can create custom lists and exclude the people you don't want to see your stories. It's a useful feature to maintain your privacy and share your stories only with the people you trust.
Sure. Just go to the settings for your story. There should be an option about who can see it. You can select specific groups or individuals to exclude from viewing. For example, if there's someone who's been annoying you or you just don't want them to see your personal stories, you can easily block them from seeing it.