Can sound waves generate heat?
Does a sound wave contain energy?
Yes, sound waves can generate heat . In fact, sound waves almost always generate a little bit of heat as they travel and almost always end up as heat when they are absorbed. Sound and heat are both of the movement of atoms and molecules.
Yes,sound waves does have energy
That should answer your question.
You might want to read Surface Acoustic Waves and Phonons. The latter a subject of cutting edge research in electronic fabrication and meta materials to engineer effecient and compact heat transfer from electronic circuits.