In many ways .pdf files are handy. Just about all OSes and computers can read them. One downside, though, is they are not easily editable. If you have a .pdf file that you need to edit, the following article describes what looks to be an easy solution using Google Docs.
Jim Hamm
https://www.howtogeek.com/329225/how-to-convert-a-pdf-file-into-an-editable-text-document/