Raise Up work when you make it checked the box from listing levels like in your (best package) you allowed raise up option, User bought this package and submitted an ad in, User will have icon (up arrow) in the dashboard to make this listing raise up any time depends on limit and if admin set a price on raise up.
Admin also can make that listing raise up which includes this option. But admin also needs to purchase this package as well which includes raise up option. Like in (best package) you allowed to make any ad raise up.
Then admin can go to WP > Listings
Select any listing which includes this ability to raise up. On right side and A blue link raise up listing along with a up arrow.