Most installed desktop versions of Microsoft Word can open PDF files directly and convert them to editable Word documents. Or you can scan pages and open recognized text in Word using an Android or iOS smartphone camera or a desktop scanner.
How do I scan a document into Microsoft Office Word 2010?
Microsoft Word's character recognition capabilities work best with documents that consist primarily of text. For example, Word would likely open and convert cleanly a contract that consists of multiple pages of printed text, while Word might have difficulty cleanly recognizing text in a brochure that has text printed in or around graphics in anything other than a single column.
You will need a working scanner connected to a Windows or macOS system, along with a relatively recent version of Word.
Follow the instructions provided by your scanner manufacturer to scan your document to a PDF file. Save this file to a location you will remember on your computer.