At SXSW, ‘Blockers’ brings together an unlikely mix of sweet, smart and raunchy

Before introducing director Kay Cannon ahead of the Saturday night premiere of “Blockers,” SXSW director of film Janet Pierson noted that it was the fourth film that day directed by a woman to play at the festival’s marquee venue, the Paramount Theatre in Austin, Texas.

As she took the stage, Cannon…