Anima allows to preview your crowd simulations and character placement by using any of the cameras created from the supported DCC applications (3ds Max and Cinema 4D).
The synchronization is made automatically by the Anima plugins through the alive™ connection, which continuously updates any modification made to the cameras in your DCC app and instantly updates the viewport on the Anima Designer application.
To learn more details about the process, please take a look at the following documentation: