@Nadav Eran, Thanks for posting in Q&A. Based on my researching, according to the Microsoft Intune App SDK for iOS developer guide, for an iOS app that displays web content using web views like WebKitWebView, Microsoft Intune provides several APIs to handle different scenarios where both managed and unmanaged content are surfaced through web views within an app. Depending on the scenario, different IntuneMAMWebViewPolicies will need to be applied to web views, and the IntuneMAMWebViewPolicyDelegate will need to be implemented to ensure that managed content is not leaked.
For your situation, I think this may relate with the APIs we set. Here is a link with more details:
You can ask your app developer to change the API set to see if the result is different. However, if the issue still exists after we try the above suggestion, you can open case to get more help. Here is a link with the steps to open case for your reference:
https://video2.skills-academy.com/en-us/mem/get-support
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