These documents should not be used as an excuse for not generate content through (X) HTML + CSS. in general should not be misused PDF documents to provide information, it only in certain cases, such as brochures, legal documents or documents of an extended nature for the convenience provide a version for downloading and printing.
To generate PDF documents accessible it is imperative that documents managed through a word processor (office word, free office, etc.) are accessible. to generate these documents accessible can follow directions contained in the following guides.