Sharing a pdf file could be done through “direct sending”, attached somewhere, or sharing online by a link or a QR code. Making the pdf into some kind of read mode by “copy, print and download protection”, beyond that , by we also want to control the user behaviours of “screen capture”, and expiring the view-ability after a certain time, this will stop the unwanted spreading of information.
On ther other hand, you can also make a PDF like a campaign to share it online without limitation
To MaiPDFMaiPDF hosts PDF files in several locations in Europe,Asia and North America, CDN service is applied over file sharing, that's how we make the preview of PDF files instantly and clearly.