Headings are important because they help readers identify the main points of each section in the paper and allow someone with a screen reader to navigate the document.
Reading order is important because it helps the screen reader identify which order to read the document in.To set the reading order of the document, follow these steps:
Put all elements in the correct reading order by using the Reading Order Tab
Optical Character Recognition (OCR) is the process of turning image files into readable/recognizable text. This is important because screen readers cannot read images, therefore individuals who use a screen reader would not be able to access the information in a PDF if it originated as a scanned document.
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