You can add navigation buttons to a Gallery in order to let users easily move between Gallery pages.
To do so:
1. Select the Gallery that you want to add an navigation button to. Click the Add Navigation button in the lower settings menu.
2.Click Add Navigation Buttons or use the Connect Elements as a Widget option to use buttons that are already on your page.
3. Choose a Button design and click OK, now place the button on your webpage in the desired location.