Do I have to use IMCE?
No. Acquia Cohesion allows the site builder to select, either use of IMCE or Entity browser for browsing and selecting images.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
No. Component content entities do not have view modes.
The style preview may not be updated because the refresh icon hasn't been toggled to the active state.
Yes, the component link field supports both internal and external URLs.
Google maps may not be showing if you have not set a Google maps API key.
Yes, this is possible by creating a custom element.