Hi simeon thomas,

Turrets: you can select each wall segment and set the height and slopes (see different possibilities in the image attached).

The CAD details are 2D details used to provide technical info about the building. As they are 2D objects, they don't appear in 3D

Regarding the portcullis: To make the hole in the wall, you should use an empty door casement.
As for the drawbridge--> Punch "real" doors exist only in the vertical plane, so, these doors will not open like a bridge

I can think in two solutions

The obvious solution: create a 3D drawbridge object in the 3D workshop--> set the desired angle --> insert in the casement (in the attached image, the gate to the right is a 3D object)
If you have a V10 version, you can import a 3DS object in the 3D workshop, following this tutorial
http://www.punchhelpers.com/3dsfiles.html

The fast solution: use a piece of roof--> set the pitch--> texture as a door--> insert in the casement (in the attached image, the gate to the left is a piece of roof)

Hope this helps

Patricia