No, APPSeCONNECT license is based on number of connections between website and ERP company database. For one website and one ERP company database, you require one license. If you want to add additional website only, you need additional website license component. Similarly if you need to connect additional ERP company, you need additional ERP company database license component. If you need to connect both additional website and additional ERP company database, you need additional APPSeCONNECT license.