Does an alchemist’s inferno bomb, poison bomb, smoke bomb, or stink bomb cause bomb damage in addition to the special effect listed for those discoveries?
Yes. For example, a smoke bomb deals bomb damage and creates an area of smoke.
Section 15: Copyright Notice – Pathfinder Roleplaying Game: Advanced Player’s Guide
Advanced Player’s Guide. Copyright 2010, Paizo Publishing, LLC; Author: Jason Bulmahn.