Unfold 1 puff pastry sheet on lightly floured surface. Roll out to make 14 x 10-inch rectangle. Combine cream cheese and sugar in small bowl until smooth. Spread half cream cheese mixture over puff pastry, leaving 1-inch border on one long side. Sprinkle with half amount of chocolate chips. Roll up starting at long side covered with cream cheese. Seal end by moistening with water. Repeat steps with remaining ingredients. Refrigerate for 1 hour.