facebook.com/username/about
facebook.com/username/posts
facebook.com/username/photos
facebook.com/username/videos
facebook.com/username/reviews

example.com/username/about
example.com/username/posts
example.com/username/photos
example.com/username/videos
example.com/username/reviews

example.com/%post_tag%/about       /about is page
example.com/%post_tag%/posts       /posts is archive page of posts
example.com/%post_tag%/photos      /photos is archive page of custom post type
example.com/%post_tag%/videos      /videos is archive page of custom post type
example.com/%post_tag%/reviews     /reviews is archive page of custom post type