Preheat oven to 350°F. Cut each pita into 8 wedges and arrange on a parchment-lined baking sheet.
Brush wedges lightly with olive oil and bake 8 to 10 minutes until golden and crisp. Cool 5 minutes.
Mash avocados with lemon or lime juice, garlic, salt, and pepper until mostly smooth.
Pipe or spread the avocado mixture onto each pita wedge.
Cut small stars from the yellow bell pepper (if making the star)
Top with tomato pieces, pomegranate seeds, a pepper star, and feta if using.
Serve immediately, finished with red pepper flakes or balsamic glaze if desired.