No, you do not always need a Routing Module in Angular. The decision to use a Routing Module, such as AppRoutingModule, depends on the complexity of your application's routing configuration. If the routing configuration is simple, you can merge the routing configuration directly into the companion module, like AppModule. This approach is suitable when there are not many routes to manage, and there is no need for specialized guard and resolver services[1].
However, for more complex configurations, it is recommended to use a separate Routing Module. This helps in organizing the routing logic separately, making the application easier to manage and scale. It also facilitates the use of advanced routing features such as lazy loading, guards, and resolvers, which are essential for larger applications[1][2][...
