Yes, PIC is a Scrabble word!

Letter values in Scrabble US: P 3, I 1, C 3.

Is it a valid word?

PIC is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement
a representation of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material

Also: moving picture, moving-picture show, motion picture, motion-picture show, picture show.