When I want to assign Microsoft.DocumentDB/databaseAccounts/readMetadata permission to Service Principal I am trying to assign Cosmos DB Built-in Data Reader and Cosmos DB Built-in Data Contributor to the Service Principal but I am b=not able to see this builtin role in UI you can see the below image:

But in PowerShell I am getting these roles and able to assign:

When I want to assign
Microsoft.DocumentDB/databaseAccounts/readMetadatapermission to Service Principal I am trying to assign Cosmos DB Built-in Data Reader and Cosmos DB Built-in Data Contributor to the Service Principal but I am b=not able to see this builtin role in UI you can see the below image:But in PowerShell I am getting these roles and able to assign: