PDFs might seem like a blast from the past, but they are still in heavy use when filling in official forms, online submissions, and various other documentation. Interacting with them can seem like a pain, with some people resorting to printing them off to fill them in, then scanning the finished document to email it to the recipient.  But, you don’t have to go through that convoluted process. You can open and edit PDFs on your iPhone with ease
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