My chin sticks out too much. What can be done to improve it? Surgery, fillers, etc? (Photo)

Your own imaging shows enhancement of the corners of your jawline, the chin and the jaw angle in profile. The amount of enhancements are not large but visible. You should be able to achieve these changes with standard chin and jaw angle implants. 

Based on your photos you are a good candidate for chin surgery. Providing more horizontal projection with a chin implant or sliding genioplasty would give you a stronger chin and jawline. In your case, either procedure will give similar outcomes. 

With your very high jaw angles, you would need either standard or custom jaw angle implants to change your mandibular plane angle to a more balanced facial shape. Whether true custom implants are needed depends on they ratio of vertical drop to width at the angles and how far forward the...