Preheat your air fryer to 320°F (160°C).
Slice the sweet potato and white potato into very thin slices (about 1/16 inch) using a mandoline.
Place the slices in a bowl and rinse under cold water until the water runs clear to remove excess starch.
Pat the slices completely dry using paper towels.
Slice the carrot and beets into thin rounds.
Toss each vegetable batch with a small amount of olive oil, salt, pepper, and smoked paprika if using.
Arrange slices in a single layer in the air fryer basket. Avoid overlapping.
Cook each batch for 8–12 minutes, flipping halfway through, until crispy.
Remove and let cool slightly—they will crisp up more as they cool.
Repeat with remaining batches. Enjoy your Air Fryer Veggie Chips fresh.