How do you increase the pp of moves in Red Rescue team?

In Pokémon Mystery Dungeon: Red Rescue Team, you can increase the Power Points (PP) of moves by using an item called a "Max Elixir," which restores all PP of your Pokémon's moves. Additionally, you can use a "PP Up" item to specifically increase the maximum PP of a single move. These items can be found throughout the dungeons or received as rewards. Remember to use them strategically to enhance your team's effectiveness in tougher battles.