Hello @Krishna Dubey and thank you for your question.
I believe you would be interested in this document showing how to set up the firewall on Azure Analysis Services (AAS). Or the FAQ about connection when the AAS is inside a Vnet. Or how to access data sources which are inside a Vnet.
https://learn.microsoft.com/en-us/azure/analysis-services/analysis-services-qs-firewall
https://learn.microsoft.com/en-us/azure/analysis-services/analysis-services-network-faq
https://learn.microsoft.com/en-us/azure/analysis-services/analysis-services-vnet-gateway