I want to set pdf expiration date to all my pdf documents.

Customer
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Thanks for your message, VeryPDF has two methods to set expiration date to PDF files,

Solution 1:
You can use "Javascript to PDF Embedder Command Line" to insert a Javascript expiration function into PDF file, you may download "Javascript to PDF Embedder Command Line" from this web page to try,

https://www.verypdf.com/app/javascript-to-pdf-embedder-cmd/try-and-buy.html
https://www.verypdf.com/dl2.php/addjs2pdf_win.zip

Please look at following web page for more information,

https://www.verypdf.com/wordpress/201602/how-to-protect-pdfs-with-setting-expiry-date-42227.html

Solution 2:
You can use "Cloud PDF DRM Protector" software or "VeryPDF Cloud DocSafe :: Online PDF Protector" to set expiration date to PDF files, "Cloud PDF DRM Protector" software can be downloaded from this web page,

https://www.verypdf.com/app/cloud-pdf-drm-security/try-and-buy.html
https://www.verypdf.com/dl2.php/PDFDRMProtector.zip

"VeryPDF Cloud DocSafe :: Online PDF Protector" can be evaluated from this web page, this is a Cloud Based Online application, you can test it online directly,

http://drm.verypdf.com/online/