How to improve the accessibility of scanned PDF documents?
First, implement Optical Character Recognition (OCR) on the document:
- Click on the “Tools” tab located at the top of the window.
- Within the “Create & Edit” section, select “Scan & OCR”.
- On the right-hand side tool pane select the “Scan & OCR” menu.

- Click on “Recognize Text” on the toolbar at the top of the window.
- Click the dropdown menu button next to “Recognize Text”

- Select “In This File” from the dropdown Menu
- The secondary toolbar with more options will open.
- Click on the “Recognize text” blue button to launch OCR.
In order to add tags you can select one of the approaches described in Remediating PDF document in Adobe Acrobat Pro.
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