1. Esri. (2024). ArcGIS Enterprise Documentation: User types
roles
and privileges. ArcGIS Enterprise 11.2 & later. In the "User types" section
the description for GIS Professional states: "The GIS Professional user type is designed for those who need to create
manage
and share content in a variety of ArcGIS apps
including ArcGIS Pro." The capabilities table on this page explicitly shows that the GIS Professional user type includes an ArcGIS Pro license
while the Creator and Editor types do not. Retrieved from https://enterprise.arcgis.com/en/portal/latest/administer/windows/user-types-roles-privileges.htm
2. Esri. (2023). ArcGIS Blog: Understanding User Types. This article clarifies the purpose of each user type. It states
"The GIS Professional User Type is for the true GIS professional... This User Type includes ArcGIS Pro... as well as all the capabilities of the Creator User Type." Retrieved from https://www.esri.com/arcgis-blog/products/arcgis-online/mapping/understanding-user-types/