This is the surface without the draco model:
This is the surface of the model after Draco:
Draco compression stores normals and other data with lower precision, and so the quality in some cases is affected. We’ll be exposing compression settings at some point in the future allowing you to modify them to improve the quality (at the cost of larger size), but this has not been done yet.
Thank you very much for your answer. When will this feature be available.