Morphx is the Microsoft Dynamics AX development environment, We all the developers are familiar with this development environment. Only SSRS and retails developments are going on Visual studio, whereas Microsift Dynamics AX 2012 R3 CU 13 support Visual Studio as development environment.
Microsoft Dynamics AX and Visual Studio are integrated through Visual Studio Tools. VS Tools is a enables the AOT objects in VS for the development for Microsoft Dynamics AX.
The AOT objects are IDE(Integrated Development Environment) with VS by VS tools.