Some architects can, some can't, some are good at it and some don't necessarily have to do that, drawing, I mean.
Architects do a lot of things, indeed, more than known to a lot of people. However, architects are trained to draw as part of their training and practice but things have changed. Architectural students still have to learn to draw, to sketch and even certain level of drafting on paper but most would soon leave that behind and just rely solely on computer and, you know that, autocad or sketchup or equivelent.
I did of sketches drawings, perspective drawings not much of drafting but that's only at the later part of my career. Followings are some of my work during my working years in Singapore.
An out door food court where the focus was on people and very little of architecture!
Another ambient or mood concept more than building.
As oppose to this very serious expression of building type.
To an exterior scene of a larger project scope. And finally the full scale over all view of the entire project.
Perspective drawings, whether they be hand drawn, Sketchup-ed, Studio Max-ed or what so ever, would always be a breath away, never too far to an architect's life. Now the question really is: whose nose would an architect choose in using?