Sarada needs the Rinnegan if she wants to scale up to the stronger enemies in Boruto. She could obtain this power.

To really understand the scope of power that these eyes have, one has to look at the unique abilities of the known Mangekyou users in Naruto. Itachi's Mangekyou Sharingan posesses two abilities ...

Naruto and Sasuke have been neglected in Boruto ... which could be in the form of an extremely powerful Eternal Mangekyou Sharingan or the Rinnegan. In the process of Sarada staying on par ...