Can Coupon Box Create Multiple Coupons that can be active at the same time?

I’d like to create several different offers on different places on my site: (1) 20% off for subscribing, (2) free merchandise for subscribing, and (3) free digital book for subscribing. I’d like to deliver these offers via coupon box’s ability to deliver unique, personalized coupon codes.

Can coupon box handle multiple coupons at once? Also, is there a way to have the popup triggered by a button vs. timing options?

Thanks!
Bruce