Immersive Reader is a tool that is used within the Microsoft package that can help pupils who struggle with literacy. Immersive Reader will allow any word document to be read aloud, change the font, colour and size of text amongst other things. It will also allow you to change the colour of the paper to help pupils who suffer from visual stress or dyslexia.
Please see links below for user guides:
Using Immersive Reader in Word (desktop) and Word Online (Office 365):
https://www.youtube.com/watch?v=A7X0haud0xE
Using Immersive Reader with Microsoft Teams:
https://www.youtube.com/watch?v=GIRVT4jiS9g