Prepare a grill fire to 350° with hickory or pecan chunks for smoke flavor.
Using paper towels, pat the pork chops dry and place on a baking sheet.
Spray or brush with olive oil on both sides. Season each with about 1/4 teaspoon of salt and 1/4 teaspoon of pepper.
Grill pork chops over indirect fire with the grill closed for about 5 minutes.
Flip pork chops and continue to cook with the lid closed about 10 minutes. Use a digital thermometer to check the pork chops, cooking until internal temperature reaches 145°.
Remove to a clean sheet pan and tent with foil while you prepare the sauce.
In a blender, add white wine vinegar, lemon juice, dijon mustard, garlic, basil, oregano, rosemary, salt and pepper.
Blend until well combined, about 20 - 30 seconds.
With the blender running, slowly drizzle in olive oil until well combined about 1 minute total.
Turn the blender off and add mayonnaise.
Blend until smooth, about 20 seconds.
Pour into a jar.
Spoon over pork chops and garnish with parsley if desired.