Page Swap PDFs are multi-page PDF documents that appear to the user as a single page. Page swap PDFs do not allow the user to scroll up or down to switch between pages within that PDF. Instead, the reader must use page-link hotspots to navigate between pages. This can be used to swap images in and out on the page to create an interactive element.
Your page swap does not need to be on the very first page in your section - it could be on the 4th page. For example:
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