How do I integrate social metadata with Acquia Cohesion?
You can integrate social metadata as you would on a traditional Drupal setup. Information within the layout canvas can not be used as social metadata.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
No, there are some known issues when using Acquia Cohesion with AMP, which we are working to resolve.
You can create more than one template to provide layout and style alternatives with the use of the template selector.
No, the entity browser does not work for component defaults as the entities are content, not config.
The Youtube video embed is responsive so it should expand to the width of its parent. If you do need to set a width you can apply the Width CSS property through the Style Builder.