Please make sure you have the latest tex-live package. Building the whitepaper works with any version that's at least this version
pdfTeX 3.14159265-2.6-1.40.21 (TeX Live 2020)
http://tug.org/texlive/quickinstall.html
make doc
Make sure you have the necessary style sheets and additional textlive packages. You can get them with the following command:
On Ubuntu
sudo apt-get install texlive-latex-extra
On Fedora
sudo dnf install texlive-collection-latexextra
You can download the pre-built pdf directly from the repository.