A model saved in a Share Placed can be shared across users. They might open it directly from the Modeling Places or you can create a link to get a quick access. You can create a link to the whole model for consultation or to a particular element.
To create a link to the model, go the the Teamwork ribbon and select the "Share" button. This will give you a link to the Kommunicator or to the Viewer for the shared model.
To get more options, you can use the Share button on the details panel of any elements. You will be able to create a link to the Kommunicator (read only), the Viewer (read only) or the Modeler. When that link is used, the element will be selected on load.