docs: Update deployment instructions in README (#2157)

Author: Thanusree-Microsoft

README.md

@@ -184,6 +184,8 @@ To review Cosmos DB configuration overview and steps, follow the link [here](doc
 ### Deploy instructions
 <br/>
 
+> **Note**: Some tenants may have additional security restrictions that run periodically and could impact the application (e.g., blocking public network access). If you experience issues or the application stops working, check if these restrictions are the cause. In such cases, consider deploying the WAF-supported version to ensure compliance. To configure, [Click here](./docs/LOCAL_DEPLOYMENT.md#31-choose-deployment-type-optional).
+
 > ⚠️ **Important: Check Azure OpenAI Quota Availability**
  <br/>To ensure sufficient quota is available in your subscription, please follow [quota check instructions guide](./docs/QuotaCheck.md) before you deploy the solution.
 

docs/LOCAL_DEPLOYMENT.md

@@ -6,6 +6,8 @@ This guide walks you through deploying the Chat with your Data solution accelera
 
 <!-- 🆘 **Need Help?** If you encounter any issues during setup, check our [Troubleshooting Guide](./TroubleShootingSteps.md) for solutions to common problems. -->
 
+> **Note**: Some tenants may have additional security restrictions that run periodically and could impact the application (e.g., blocking public network access). If you experience issues or the application stops working, check if these restrictions are the cause. In such cases, consider deploying the WAF-supported version to ensure compliance. To configure, [Click here](#31-choose-deployment-type-optional).
+
 ## Step 1: Prerequisites & Setup
 
 ### 1.1 Azure Account Requirements