Pax was born in Miami, Florida and moved around often as a child. She lived in Hawaii; Sacramento; and Pacifica, California, before moving to New Zealand when she was in the third grade. Nine months later, she moved to Fort Lauderdale, Florida, where she lived for thirteen years. She worked as a lifeguard for five years at various pools throughout South Florida, including those at the International Swimming Hall of Fame and at the Seminole Hard Rock Hotel and Casino Hollywood.

Pax entered the adult film industry in November 2011. An agent in Florida, whom she never actually met, contacted her through Model Mayhem. In 2012, she was cast in the independent horror film Bloody Homecoming. In 2013, she starred in The Submission of Emma Marx, which is loosely based on Fifty Shades of Grey, earning several nominations in the course of 2014.