Adjust size automatically - Point Symbol - in Map Viewer with Unique Symbols - different point sizes

[AndreaB_]

Hi all,

I have my point style in Map Viewer set to Types (Unique symbols) and different colors for each point. I want 2 of the points to be larger in size than the other 3. But I also want them to "Adjust size automatically" (because that's a great feature!). It seems this isn't possible? If I click "Adjust size automatically" then all of the points change back to the same size. Related info: https://www.esri.com/arcgis-blog/products/arcgis-online/mapping/auto-size-by-scale-now-available-in-... 

https://community.esri.com/t5/arcgis-online-questions/turn-off-auto-size-by-scale-map-viewer/td-p/10... 

Screenshots: