I have been somewhat lax in making my work accessible for people with disabilities. This video covers some of the basic things you can do with a PDF file to insure that it is can be easily read by screen reading software. There are similar videos for Microsoft Word and Microsoft Powerpoint files.
National Clearinghouse of Rehabilitation Training Materials. PDF Accessibility – Part One. Publsied on Feb6, 2017. Available at https://www.youtube.com/watch?v=PJvDoArpZ0g.