Spicy Pork Bowls with Greens

Name: Spicy Pork Bowls with Greens
Ingredients: 1 (1 1/4-lb.) pork tenderloin; 3 Tbsp. sambal oelek; 2 Tbsp. light brown sugar; 1 (1) piece ginger, peeled, finely grated; 1 garlic clove, finely grated; 3 Tbsp. soy sauce, divided; 2 1/4 tsp. toasted sesame oil, divided; 3 Tbsp. vegetable oil, divided; Kosher salt; 2 medium carrots, peeled, sliced; 1 bunch collard greens or Tuscan kale, ribs and stems removed, leaves sliced; 1 Tbsp. seasoned rice vinegar; Steamed white rice, thinly sliced scallions, and gochujang (Korean hot pepper paste; for serving)