Pressbooks has stated their commitment to ensuring their software is accessible to all people using the tool, whether they are creators or readers.
Commitment to accessibility
See “Accessibility – Pressbooks” to read Pressbooks’ commitment to accessibility and review their most recent VPAT (Voluntary Product Assessment Template), which describes the accessibility of the platform.
Accessibility features for Pressbooks users
Pressbooks provides a number of accessibility features to support people who are using Pressbooks to create or adapt content.
Creating accessible content in Pressbooks
To learn more about how to create accessible content when authoring in Pressbooks, see the Accessibility Toolkit.
It covers the basics of making digital educational materials accessible and includes guidelines for how to apply that to Pressbooks.