Since the latest version of project management tools, ‘Microsoft Project Operations," is here, it succeeds Project Service Automation (PSA) and project planning tools, with a more evolved version of these tools with additional capabilities.
Although we have already shared an update on the new release in 2020 with news releases, Microsoft has also stated that it is committed to making it a frictionless migration for PSA users. You might have hundreds of questions about how this quick disruption will impact your current projects.
If you have already migrated to Project Operations and are curious about the benefits of the migration. In this blog, we will provide you with a major difference between the newly launched D365 Project Operations and PSA, so you have an improved understanding of what you got with the decision to make the switch from PSA to PO.
Source: https://www.solzit.com/difference-between-dynamics-365-project-operations-vs-psa/