Update azure-monitor-workspace-overview.md

Many customers asking for Azure Monitor Workspace quota limits like in Log Analytics workspace (Daily cap / Data retention)

Author: braieralves

articles/azure-monitor/essentials/azure-monitor-workspace-overview.md

@@ -80,6 +80,8 @@ This section provides answers to common questions.
 
 An Azure Monitor workspace is a unique environment for data collected by Azure Monitor. Each workspace has its own data repository, configuration, and permissions. Azure Monitor workspaces will eventually contain all metrics collected by Azure Monitor, including native metrics. Currently, the only data hosted by an Azure Monitor workspace is Prometheus metrics.
 
+You cannot use quota limits, similar to the Log Anlytics Workspace (Daily Cap or Data retention) in the Azure Monitor workspace.
+
 ### Can I delete Prometheus metrics from an Azure Monitor workspace?
         
 Data is removed from the Azure Monitor workspace according to its data retention period, which is 18 months.