Migrate all the documents to Azure Storage, create a Document Intelligence resource, and start using the prebuilt models.

Analyze the existing document types and data extraction requirements, design a custom document intelligence model if needed, and then migrate the documents to Azure Storage.

Create a new Azure AI Search service, configure it to use the existing document management system, and then migrate the documents to Azure Storage.

Use Azure Machine Learning to build a custom machine learning model to replace the existing document management system.