You can edit interaction from Format tab in the ribbon. From there you can define the interaction between each visuals.
For more details, you can visit Here
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I think I got your concern now. Please check the quoted text I got by googling-
You can filter all visuals in Power BI except Slicer! In fact slicer itself is a type of filter, however there are some times that number of items in slicer is too many. So this is normal that we want to filter the items in the slicer itself. Unfortunately current version of Power BI Desktop doesn’t support visual level filter on slicer.
To me, it's a logical functionality or behavior or interaction between different visual and slicer. Otherwise if slicer got filtered itself by selection values in a table or other visuals, in some case it will produce circular dependency.
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