Luckily, we have Office Convert Pdf to Word for Doc, an application the clearly states what it does in its name.
This application is capable of converting any PDF file to a text document, whether .rtf, .doc or .txt, ready to be used with Microsoft Word or any other text processor.
It's really the free version of a more complete application, so it's missing certain configuration options, and before each conversion it offers us the possibility to update to a superior version.
Despite its limitations, Office Convert Pdf to Word for Doc is more than enough if what we want is to recover the text from a PDF.
On the contrary, if what we want to obtain is a text document that is identical to a PDF, with the same distribution and typographic features, we'll have to upgrade to the paid version of the application or turn to one of the alternatives that exist.