I currently have a number of manuals on sale on my website via PayPal. There is a possibility that I may also be able to sell out-of-print books that are available in pdf format ONLY. I want the customer to be able to download only one copy of the purchased document and then be able to print the document only one time. I don't know if this much control is doable. However, I'd like to know what my limits are with Acrobat Pro XI or an upgrade to the DC version if necessary.
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