Yes, you can use Bicep to manage Azure AD. Bicep is a domain-specific language for authoring Azure Resource Manager templates. You can use Bicep to deploy Azure AD resources, such as applications, service principals, and role assignments.
To deploy Azure AD resources using Bicep, you'll need to first set up your development and deployment environments. You can use Visual Studio Code and the Bicep extension to create Bicep files. Once you have your Bicep files ready, you can deploy them using Azure Pipelines or GitHub Actions.
For example, you can use the following Bicep code to create an Azure AD application:
You can also refer below articles for more information.
https://learn.microsoft.com/en-us/azure/azure-resource-manager/bicep/overview?tabs=bicep
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