1. Check if the post updates were approved correctly in the approval center
2. Verify if you have checked the published item
3. Click on the Check In button to make your updates visible on the post page
4. Check whether the given post was updated with the correct publishing target
5. Check and modify the permission settings for SharePoint site users
6. Try to use the Sync button to update the changes in the blog post
7. Refresh the post page in the web browser and check if the updates appear
8. Troubleshoot any problems with the master page or page layout