Rotate Views In Layout Viewports - Autodesk 057B1-41A111-1001 - AutoCAD LT 2010 User Manual

For angled, horizontal, and vertical alignments, you can move each layout
viewport relative to distances defined by the model-space geometry displayed.
To adjust the views on a layout with precision, you can create construction
geometry, use object snaps on the model space objects displayed in layout
viewports, or use one of the drafting aids on the status bar.

Rotate Views in Layout Viewports

You can rotate an entire view within a layout viewport with the
VPROTATEASSOC system variable.
82 | Chapter 5 Organize Drawings and Layouts