Azureml job for vector index.

### Operating System

Windows

### Version Information

i have created an azure ml job for vectorising pdfs into azure search (portal) via AZURE AI STUDIO. Needed to know hot to add additional data to the index without re running the whole pipeline. Just to index the new data.

### Steps to reproduce

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### Expected behavior

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### Actual behavior

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### Addition information

_No response_

Start by reviewing the Azure ML job and pipeline configuration in Azure AI Studio or the Azure portal, along with the Azure Search index setup described in the issue. Determine whether the existing example supports adding only new PDF data, and document the required workflow and what users should expect when indexing incremental data.

Written by the indexing model from the issue text.