Every Uchiha able to copy Jutsu, or only Kakashi & Sasuke...

[YellowFlash1]

It's got nothing to do with the person per say... It's the sharingan it's self that is able to read movements and copy them. You don't really see many other people with the sharingan copying jutsu because everyone we have seen basically has "MS", With that alone they can overpower them without the use to copy there jutsu...

I think kakashi is best suited for that sharingan ability, due to his many chakara elements and the speed of his hand signs.

 

[EZQ]

every uchiha can

but kakashi is the best at it.

 

[Ishan Hokage]

i do remember it being mentioned in the early episodes that all sharingan users can