Happy New Year!
Creating accessible PDF can be hit-and-miss for blind, visually-impaired and deafblind computer users that rely on screen-reading technology to access information. Most of the time, if you create your documents initially in Microsoft Word, it is easy to re-save the file type as a PDF document, with additional steps for accessibility. Some services offers easy step-by-step instructions to help you create accessible PDF files before sharing it with your audience. A few are listed below for your review:
Adobe: https://www.adobe.com/accessibility/pdf/pdf-accessibility-overview.html
Government of BC: https://www2.gov.bc.ca/gov/content/home/accessible-government/toolkit/documents/adobe-pdf