Merge pull request #284172 from dknappettmsft/patch-1

AVD Update watermarking.md

Author: prmerger-automator[bot]

articles/virtual-desktop/watermarking.md

@@ -41,6 +41,7 @@ You'll need the following things before you can use watermarking:
    - Windows App for:
       - Windows
       - macOS
+      - iOS and iPadOS
       - Web browser
 
 - [Azure Virtual Desktop Insights](azure-monitor.md) configured for your environment.