Hi Olive,
Currently, there is no way around this. It is currently limited access as seen below:
Limited access to Azure OpenAI Service
https://learn.microsoft.com/en-us/legal/cognitive-services/openai/limited-access
Azure OpenAI requires registration and is currently only available to approved enterprise customers and partners. Customers who wish to use Azure OpenAI are required to submit a registration form.
If this is helpful please accept answer.