You can view PDFs easily enough on a physical Kindle device, though as others have stated they don't scale that well. You cannot operate a Kindle in conjunctio

You can view PDFs easily enough on a physical Kindle device, though as others have stated they don't scale that well. You cannot operate a Kindle in conjunction with Amazon's ecosystem without having an Amazon account registered to an email address that you control. There may be ways to jailbreak a Kindle so as to enable you to (e.g.) transfer files via the USB cable without registering the device.