In goes content, out comes a PDF.
Rst2pdf can generate rich, good quality PDFs from lightly marked up text files, and it doesn't require installing gigabytes of software to do it. Your documents can now be placed under version control, unlike with "office" tools. You can read more about how it works in the Rst2pdf Handbook. or just try it online
It has many features, but here are some of the nicer ones: