Please describe your environment. What services do you use in azure?
We have azure deployment documentation here
https://jsreport.net/learn/azure
In case you use azure web app, please see the specific chapter for persisting templates here
https://jsreport.net/blog/render-reports-using-azure-app-service
In case you use Docker for deployment, we have also specific documentation here
https://jsreport.net/learn/docker