PBI can consume publicly shared polygons on AGOL, that's it. It will consume the shape and the attributes. You can tie additional information to a unique ID from inside PBI. You cannot connect only to the table of attributes, you cannot connect to more than one in a single map. You cannot connect to lines. You cannot connect to points. Points must come from your own xy data. If point data is being entered in AGOL, I haven't found a way to bring it in to PBI. You cannot connect to your own server or group permissioned on AGOL, only public data.
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