You can see the containers that you have created. Also, you have the option to create a new container for other website.
1 - Here, you select the link "New"
2 - You will view a new window
3 - In this window, you write the name of container and press the insert button
4 - You copy of the section code
5 - Press the "Copy code" button
6 - Finally, you must paste the code on the web where you want to show the comments