This MusicTechHelpGuy Vocal Tuning with Auto-Tune Pro tutorial video by Josh Carney shows some great techniques for getting natural-sounding pitch correction with Auto-Tune Pro using both Auto Mode and Graph Mode.
MusicTechHelpGuy
Professional video tutorials for music software platforms
The MusicTechHelpGuy YouTube channel provides professional video tutorials for music software platforms, including Pro Tools, Logic Pro, and Ableton Live.