There are different methods available to manipulate (pan, zoom, rotate) graphics:
1.) From View Menu the user can access Fit All In, Zoom Area, Zoom In Out, Pan, and Rotate functions:
Fit All In
•Select View 
Fit All In.
•Fit All In zooms the current view out so that all the document contents fit into the space available in the geometry area.
Zoom Area
•Select View Zoom Area.
•Drag (left mouse button) to draw the bounding outline containing the area on which you want to zoom in. The area now viewed is the area you captured inside the bounding outline.
Zoom In Out
•Select View Zoom In Out.
•Drag (left mouse button) to zoom in or out progressively, not by increments.
Pan
•Select View Pan.
•Drag the left mouse button to a new location, then release the mouse button.
Rotate
•Select View Rotate.
•Press and hold down the left (or right) to see the rotation sphere symbol appear around the object.
•Still holding the buttons down, drag to rotate.
•Click to stop rotation.
2.) Using the mouse buttons
3.) From the View toolbar icons.
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