Autodesk SketchBook For Enterprise 2019 - subscription (3 years) - 1 seat

SketchBook has a gorgeous interface that maximizes the drawing space of every device. Your device's camera just became a scanner. Scan Sketch imports your line art with a transparent background, ready for inking and coloring. No other app can take you all the way from back-of-the-napkin doodle to fully realized masterpiece.