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If a PDF file does not have text it means the file has been scanned as an image. This means that screen readers and other adaptive assistive devices will not be able to read the content. As of spring 2022, our current goal is to strive for green checks under the "Text" column on all documents (except where files are legitimate images not images of text).
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A PDF file stores information about the language of the document, which is used by screen readers and other adaptive assistive devices to ensure proper pronunciation.
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Additionally, use copy and paste to see how easy or hard a document will be when someone needs to listen to it with adaptive technologyassistive technology.
Setting PDF Title, Language, and Outline
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The Moodle PDF Accessibility Check or Moodle File Scan is a very useful tool to help determine how much of your course material is friendly to adaptive assitive technology such as Kurzweil, Read & Write, VoiceOver, screen readers such as NVDA and JAWS, and various other tools people might use to help them consume course readings.
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