Board Thread:Boruto Discussions/@comment-36351381-20180730012537/@comment-1512913-20180730073754

He does and he doesn't. The biggest piece of evidence is Gaara who had Shukaku extracted over 15 years ago but still could mentally communicate together. So in all likelihood, Naruto has just like super tiny fragment/mere imprints of the other 8 Tailed Beasts' chakras, but he can't use their powers anymore.