Complete documentation libraries for Primavera Gateway releases are available from:
https://docs.oracle.com/en/industries/construction-engineering/
The documentation assumes a standard setup of the product, with full access rights to all features and functions.
Help System Access
Primavera Gateway is configured to access the version of the help system hosted by Oracle. However, a downloadable version of the Gateway help system is also available if you need to download, deploy, and access a local copy.