After wading through a bunch of stuff in the 2017 Envision Owners Manual, I find a max trailer weight of 1500 lbs, but this only includes a driver. Weight of all other passengers, cargo and options must be deducted from this weight. Page 234, 235.
In other words, nothing past a SMALL utility trailer. VERY FEW small campers will be under 1500 lb GVWR.