playervaults.* - Have max amount of vaults and admin. Default: op
playervaults.size.# - Number of rows for a player's vaults to have (1-6). Default: 6
playervaults.amount.# - Amount of vaults you want a player to have.
playervaults.admin - Be able to open up and delete any chest.
playervaults.delete - Delete other player's vaults. Default: op
playervaults.signs.use - Use a PlayerVaults sign.
playervaults.signs.set - Create a PlayerVaults sign.
playervaults.signs.bypass - Allows users to open via signs without the correct command permission.
playervaults.workbench - Open a crafting bench.
playervaults.notify - Get notified on login if there is an available update.
playervaults.commands.use - Open vaults with commands. Defaults to true
To remove the ability to open vaults with commands while leaving signs as an option, you will need to negate the playervaults.commands.use permission.