"Allows user to Soft or Hard book all resources to an investment that the user has been granted view management rights."
Release : All Supported Releases
Component : CA PPM SAAS USERS, GROUPS, OBS ADMINISTRATION
Both Project View right will give the user access if they have Resource - Hard Book or Resource Manager (auto) access to the user:
The description only mentions Project - View Management as it's the one access right available at the global level (Project View is not).
See Project Access Rights for more details on these two project view rights and other access permissions.
See KB: 141061 for tips on how to optimize use of Self Service for Clarity PPM