SOS Encounter: Vast Poni Canyon (15%)
Gift: Heahea Beach (Only in Ultra Moon)
Its base catch rate is 45 out of 255 (higher is easier); the catch rate calculator works out your odds with each ball. For the look, the best colour match is Luxury Ball, Level Ball or Ultra Ball.
Evolution: Jangmo O → Hakamo O (Level 35) → Kommo O (Level 45).
Kommo-o in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)