Sheet Pan Holiday Ham and Biscuits

Name: Sheet Pan Holiday Ham and Biscuits
Ingredients: 6 cups shredded red cabbage (about 10 ounces); 1/2 medium yellow onion, thinly sliced; 4 cups diced sweet potatoes (about 1 pound); 1 stick (8 tablespoons) unsalted butter, melted; Kosher salt and freshly ground black pepper; 2 tablespoons red wine vinegar; 1 teaspoon caraway seed; 1/4 cup packed light brown sugar; 3 tablespoons maple syrup; 1/3 cup orange marmalade; 2 tablespoons fresh orange juice; 2 teaspoons cornstarch; Freshly ground black pepper; 8 slices boneless smoked ham; 2 cups all-purpose flour, plus more for dusting (see Cook's Note); 1/4 cup grated Parmesan; 2 teaspoons baking powder; 1 teaspoon granulated sugar; 1 teaspoon fine salt; 1/4 teaspoon baking soda; 1 stick (8 tablespoons) cold unsalted butter, cut into pieces; 2 tablespoons chopped chives; 1 cup buttermilk, plus more for brushing; 3 tablespoons unsalted butter, at room temperature; 3 tablespoons orange marmalade