Will domain Mapping in Multisite gives SEO issues for my subsites

Guys,
I Planned to create a multisite an ecommerce network where all my subsites will be ecommerce sites. I will be using domain mapping for all the subsites. My concern is, will domain mapping creates trouble with SEO ranking for these new sites? (the subsites will be brand new).

Kindly advice on this.

Regards
Shiyam