Currently only images use a certain editor that allows images to be "tracked" so you know where they have been used (email, landing page). PDFs do not use the same editor, so they cannot be tracked. If you try looking up under "Used by" tab where your PDFs are used, you get ‘No data yet’ message. As a result, you are unable to track where they are used.
With increase of accessibility campaigns by organizations, this would be a helpful tool to use to find where PDFs are used and where they may need to be replaced.
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