It's a solid boat, that's for sure.
Keep your weight back a bit and get a solid paddle stroke or two in when you hit holes or big wave trains and you should be fine. Take a knee or sit down if you need, there's no shame in that. I've found that I can almost get a bit of a boof in on my SUP. What you don't want to do is hit them going slow, lose your momentum, get pulled in backwards, then sideways, then swim. That's generally bad.
We'll get on some higher gradient stuff soon. I've got an extra helmet, leash, and knee/shin/elbow pads you can borrow... but we ought to wait for things to come down a little first!!