First, check your internet connection. A poor connection can stop the story from loading. If it's okay, then try logging out and logging back into Snapchat.
It could be that the person has set their story privacy to 'Custom' and not included you in the list of viewers. Another possibility is a glitch in the app. Try restarting the Snapchat app.
The person you block won't be able to see your Snap Story. Blocking essentially cuts off their view of your account and anything you post. It's a way to keep your content private from them.
No, blocked users cannot see your snap stories. When you block someone on Snapchat, it restricts their access to your content, including your snap stories.
Sorry to say, but when someone blocks you, it's meant to prevent you from seeing their snap stories. It's a privacy measure. There's no straightforward way around it.
If the above doesn't work, try logging out of your Snapchat account and then logging back in. This can refresh your account settings and might solve the problem. Also, make sure that your device has enough storage space. If it's running low on storage, it could affect the app's performance including viewing stories.