Yes. It runs on a single site or across a WordPress Multisite network, activated per site or network-wide. Network activation sets up every existing site, sites added later are set up automatically, and each site keeps its own threshold, design and wording. A shopper who closes the bar on one shop still sees it on the others, including on a network whose shops share one address.
Still stuck? Ask the developers who wrote it. We aim to reply within one business day.
