The new Entra ID action works great in an automated or scheduled flow where the security context is the maker of the flow. If its a manually triggered flow then each user will need to have the graph permissions. So in general I use the Entra ID action because its much easier to use. For specific graph calls I will also use the standard connectors that include that call. For example, to do things with SharePoint I'll use the HTTP call in the SharePoint connector because it only requires a standard license. But those standard connectors only support specific resources and objects in Graph.
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Paul Papanek Stork, MVP
Blog: https://www.dontpapanic.com/blog