already posted a couple of blogs about the Windows Admin Center. For example how you can use and configure Azure Backup or how you can configure the Azure Network Adapter directly from Windows Admin Center. Windows Admin Center does also allow you to manage Windows Updates on your Windows Server. However, if you want to have some more control over your updates and have a centralized orchestration for updates, Azure Update Management can help you. You can use the Update Management solution in Azure Automation to manage operating system updates for your Windows and Linux computers that are deployed in Azure, in on-premises environments, or in other cloud providers. With Windows Admin Center you will get a direct integration with Azure Update Management.
You can read more here: https://www.thomasmaurer.ch/2018/11/azure-update-management-windows-admin-center/