The open-source PDF editor is quite an advanced word processor, but its ability to edit PDF is somewhat limited. You can also white-out some areas and then add text on top.
The editing of PDF files is relatively easy.
This open-source PDF editor was created to be like Microsoft Word so that it can open and edit PDF files easily. LibreOffice is a free and powerful office suite, as well as an open source PDF editor for Windows. PDFelement: A Great Alternative to Open Source PDF Editor