Hello @Mr Incredible , Thanks for using Microsoft Q&A Platform.
After successful creation of the document intelligence resource in the Azure portal. Make sure you have all necessary roles assigned to your resource.
- Basic: Cognitive Services User: you need this role to Document Intelligence or Azure AI services resource to enter the analyze page.
- Advanced: Contributor: you need this role to create resource group, Document Intelligence service, or Azure AI services resource.
Please check this documentation for the detailed information: https://learn.microsoft.com/en-us/azure/ai-services/document-intelligence/quickstarts/try-document-intelligence-studio?view=doc-intel-4.0.0#azure-role-assignments
Each time you access the Document Intelligence Studio, you will be prompted to verify your account details. In the top right corner, select and confirm your credentials; once completed, you will have access to the directory and resource details associated with your account.
I hope this helps.
Regards,
Vasavi
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