ReadSpeaker reads HTML content aloud by using a "Listen" button in the upper left-hand corner right on the HTML page.  You can learn more about ReadSpeaker by visiting https://www.readspeaker.com/education/library/ and scrolling down to the Brightspace section of the page.

DocReader reads aloud content made in various word processing tools.  It is available by clicking the "Open with docReader" button on the bottom of the content item.