Some balconies are enclosed - and the wall is solid. Those require pretty much everyone to stand to see. The others are slatted like in the photo above - and while we've stayed in them, I've never had a "clear" view because I too am right at "railing in my face" height.
See attached photo of the villas overlooking the boardwalk. It shows the variety of balconies, many of which are easy to see the lake from while sitting, while others require you to stand.The majority of balconies at BWV are the ones easy to see from while sitting