Like the GIF (that's Graphics Interchange Format), the PDF (Portable Document Format) has survived and flourished through the digital age. That's partly because of its versatility: It's the go-to ...

The search function in Adobe Acrobat Reader allows you to locate words or phrases while working with PDF documents, even if it has been converted to PDF using character recognition technology (OCR).

To search a PDF on your Mac for a specific word or phrase, you can use the search function in the built-in Preview app.