You need to create a new user for an Azure subscription.

Subscription

At the Azure portal, select Subscriptions.   Select the subscription you want to assign and then select Access Control.   Select Add to add a user to the subscription

https://learn.microsoft.com/en-us/partne r-center/assign-azure-subscri p tions#:~:text=At%2 0the%20Azure%20po rtal%2C%20select,the%20user%20 will%20have%20access .