buying a title on mac to view on apple tv

hey noticed when went buy movie in itunes on macbook pro says available on ipad , apple tv in hd. mean if buy on macbook pro stream apple tv in hd or have buy hd version it, cause dont see place buy in hd on macbook pro in itunes.

example of movie descendants.

 

no, buy in 1 place , can watch anywhere logged in appleid purchased with.

 

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