Hi saurabh,
Both Azure Data Factory (ADF) and Azure Synapse Workspace use a different kind of virtual network, Managed Virtual Network. They need to create managed private endpoints for accessing data source/sink privately.
More info:
- Managed private endpoints for Azure Data Factory
- Synapse Workspace connects to a secure storage account
So ADF and Synapse Workspace need to create managed private endpoints for each of them, even if they are using the same Storage account.