The DOC that I have created on the drive are in word or excel as the source and then a copy as pdf for distubution and website. .
To convert PDF to word and excel , you need costly software., some OCR programe do it. There are some online site that do it for you but I never use these sites.
https://www.onlineocr.net/
https://smallpdf.com/pdf-to-excel
Use PDF format when you want a file that:
To save as PDF, in your Office file, on the File menu, click Save As and then select "Save as Type " to PDF.
XML Paper Specification (XPS) is an electronic file format that preserves document formatting and enables file sharing. The XPS format ensures that when the file is viewed online or printed, it retains exactly the format that you intended, and that data in the file cannot be easily changed.
Important: Most modern web browsers can open and display a PDF file. If you have an older operating system, however, you may need a PDF reader installed on your device such as the Acrobat Reader, available from Adobe Systems.
In program other then MS word, you should have an export option to PDF or
You can also use "File." => "Print." => Choose your PDF printer. ...
Click "Print." This won't actually print the document, but it will convert it to a PDF.