The Visual C++ Redistributable is a DLL (Dynamic Link Library) file required by programs or games built using Microsoft's Visual Studio software development environment. When a program requires a DLL or some other supporting file to run, this is called a dependency.
Microsoft Visual C++ Redistributable is a set of runtime library files used by many programs installed in the PC, even a part of Windows. Uninstalling them will definitely stop all those programs that depend on them from working. In such event, you will need to install the required version again