Cut the pork tenderloin into chunks and place in an Instant Pot with ¾ cup Sweet & Tangy Sauce and ¼ cup water. Cook on high pressure for 40 minutes and let naturally release for 5 minutes. Shred the pork, remove with a slotted spoon to a mixing bowl and toss with 1 tablespoon Sweet & Tangy Sauce.
While the pork is cooking, roast the sweet potatoes. Preheat oven to 400°F and line a rimmed baking sheet with parchment paper. Toss the diced sweet potatoes with olive oil and pinches of salt and pepper. Roast for 20 minutes or until tender.
Divide the rice among 4 bowls or the pineapple halves. Place the pork, sweet potatoes, diced pineapple, snap peas, edamame, and cucumbers in sections on top of the rice. Sprinkle with macadamia nuts and serve with more of the Sweet & Tangy Sauce to drizzle on top.