Hi there,
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To disable dragging annotations across pages, you can use the disableDraggingAcrossPages API
PDFJS Express WebViewer Class: AnnotationManager -
To display one page at a time, you can turn on the page-by-page in the view controls:
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To remove the thumbnail buttons, please follow the hiding UI elements guide:
Hide & Disable Buttons in PDF.js Express Viewer | Documentation
Could you please clarify what you mean by adding a link dynamically to the thumbnails? Clicking on the thumbnail will navigate the viewer to its page. -
pdf.js express does not support document manipulation, please see this post:
insertBlankPages Example
Best regards,
Kevin Kim