Hi @Natali Aharoni Thank you for reaching out to us.
I have reviewed the question and I understand that you would like to know if we can automatically create the AAD tenants. however, I am afraid, that we cannot created the Azure AD tenants automatically/ programmatically and this is by design behavior.
You can submit your feedback -> https://feedback.azure.com/forums/169401-azure-active-directory
-Sagar
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