Place chickpeas in a food processor. Process until almost smooth, about 1 minute. Add powdered almond butter, brown sugar, pumpkin, 1 1/2 tsp pumpkin pie spice, vanilla, and cream cheese and process until smooth, about 1 minute. Roll mixture into 20 (1-inch) balls.
Combine granulated sugar and remaining 1 1/2 tsp pumpkin pie spice in a small bowl. Roll balls in sugar mixture to coat.