Change Fonts in Editor

On this page it indicates that Awesome Support allows the full WP editor to be enabled for certain support agents. Would this include the ability to change fonts and font sizes?

Searching around it seems we might need to do more than just add the capability to an agent.
https://premium.wpmudev.org/blog/display-the-full-tinymce-editor-in-wordpress/

The page I need help with: [log in to see the link]