You can use gallery from 1 to 10 columns, in container or in the full width template, on sidebar pages or any other templates. Gallery can be easily created with drag&drop page builder, on the back-end or front-end.
Below You can see 4 column example inside container and 5 column example in section without container. This is just a small portion of what can be done with them. And of course You can have multiple galleries on each page. There is no limit.