You will be able to augment equipment after completing the post-game quests Beyond the Blasting Scales and Thunderous Rumble in the Highlands.
Augmenting armor, on the other hand, raises their upgrade limit, allowing you to reach even higher defense values. For weapons, augmenting allows you to infuse them with additional properties. Augmenting is the act of further enhancing weapons and armor past their maximum refinement level.
