No, Plo Koon does not appear in Star Wars: The Acolyte. However, a member of his species, the Kel Dor, does appear in episode 4 as part of the Jedi expedition to Khofar.

became known as the 'Wolf Pack', as their armor was decorated with wolf designs. He respected his troops very much – better than many other Jedi treated their clones. Plo Koon Might Be In The ...