Documentation is one of the main content types in CyberTeams. When you've chosen a framework, you will see documentation lists being highlighted under some of the cyber security themes listed on dashboard.
Many cyber security frameworks and regulations require up-to-date documentation of e.g. utilized data systems, processed personal data, partner organizations and cyber security risks.
To add documentation:
After you've added an item, you can open it to see it's documentation form. This is basically a template highlighting the needed information about this item e.g. for reporting purposes.