I've tried adding a text field to the profile but when I have, it didn't have the same selection of buttons that all other Atto Text Editors have - it was missing video and audio. See below...the 'Show/Hide advanced buttons' button has been clicked and it's not showing all the buttons it should...
Here's the information from our IT department about our Moodle specs:
Moodle 3.5.5+ (Build: 20190508)
Apache2, on Debian GNU/Linux 8 (jessie) for our Web
E-Learning Instructional Designer
University of Prince Edward Island