![]() Compatibility with refreshable Braille readers.Compliance with standards like WCAG, Section 508, PDF/UA, HHS, etc.Must contain tags and tag trees to accurately represent the document's structure.Must be compatible with accessibility tools such as screen readers and TTS software.Here are the haves and mustn't-haves of PDF accessibility: You may be surprised, but even though PDFs are the preferred mode of sharing documents, not all of them are created equal. This section talks about the basic eligibility criteria for a PDF file to be called "accessible". The PDF, therefore, needs to lend itself to such use cases in order to be deemed an "accessible PDF." For example, a person who is visually challenged might need the PDF to be read out with a text to speech (TTS) tool or a Braille reader. The meaning of accessibility in this context is that a PDF file is compatible with accessibility tools for people who are differently abled. What does it mean when we refer to a PDF as being accessible? Does that mean other PDF files are NOT accessible? Not really.
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