Based on your question, I believe, you already applied for a quota increase as mentioned in the below link.
Link to quota request: https://learn.microsoft.com/en-us/azure/machine-learning/how-to-manage-quotas?view=azureml-api-2#request-quota-increases
Once you submit the form, a support ticket will be created for you. You can monitor the support request, as any other support ticket.
Refer: https://learn.microsoft.com/en-us/services-hub/premier/support/manage-support-requests
I recommend you to view the support requests and see the status.