Yes, I can. Most social media platforms allow you to share a tagged post to your story. For example, on Instagram, when someone tags you in a post, you usually have the option to share it to your story. It's a simple way to repost interesting content that involves you or that you just want to show your followers.
Sure. When you open Instagram and there is a post tagged with your username. You'll see a small paper plane icon (which is the share icon) at the bottom right of the post. Click on it, and then you'll see an option to 'Add post to your story'. Just click that, and you can customize how it appears on your story, like adding stickers or text, and then share it.
Yes. However, it's important to check if the post is allowed to be shared and if your account has the necessary privileges. Also, make sure it complies with the platform's terms of use.
It could be that the post was set to private by the original poster or there are some platform-specific restrictions. Also, your account might not meet the requirements for sharing such posts. Try looking for error messages or guidelines within the app for more info.