This is one of those tips that is hard to describe or visualize. But when we demonstrate it to someone new, we usually hear “Wow, that’s cool.”
Adobe Acrobat Pro includes a special OCR (Optical character recognition) feature you can use to convert scanned documents into searchable PDFs. The twist with Acrobat Pro is that instead of converting your scan to a straight text file, you can leave the visual appearance of your scanned document untouched, and yet the text itself becomes selectable and searchable in Acrobat.