EES vs EEP document on our website links to placeholder template and not a real document.

Googleing for EES vs EEP yields this:

GitLab EEP vs. GitLab EES
https://about.gitlab.com/comparison/pdfs/gitlab-ees-vs-gitlab-eep.pdf
GitLab EEP vs. GitLab EES. GitLab compared to other tools. GitLab is the next-generation development toolset that covers 100% of your software development ...

Follow that link and you get this PDF:gitlab-ees-vs-gitlab-eep.pdf

Which looks like this: