Heat oven to 350°F. Spray large cookie sheet with cooking spray, or line with parchment paper.
In small bowl, mix Parmesan cheese and lemon-pepper seasoning. Separate dough into 8 biscuits. Roll each biscuit in cheese mixture to completely coat. Place 1 inch apart on cookie sheet. Sprinkle any remaining cheese mixture over tops of biscuits. Bake 14 to 17 minutes or until golden brown.
Bake fish fillets as directed on package.
In small bowl, stir together sour cream, mayonnaise, picante sauce, chili powder and green chiles. To assemble sandwiches, slice each biscuit in half crosswise. Place 1 fish fillet on bottom half of each biscuit. Top each fish fillet with about 3 tablespoons cabbage and about 2 tablespoons sour cream mixture. Top with remaining biscuit half. Serve immediately.