You can visualize the animation of animated shaders, for example, UVRotator (Hw Shader Nodes 
 Textures 
 UV Rotator) in the ShaderFX editor. 
 so that either the small or larger render swatch is displayed. 
 Play Animated Shaders to visualize the animation for the animated shader and its downstream nodes. 
 (Play) in the 3ds Max playback controls to visualize the animation in viewports.