If you have the Custellence Collaborate or Enterprise plan, you can download your map as a PDF, PNG or as a CSV file. Please note that if you are on the Free plan, you can't export your maps.
Here is how to export the whole map
Open your map. Click on the "fit map" icon on the right hand top corner:
Then visit the “Menu” and choose “Export map"
Here is how to export a section of a map
Open your map. Pan and zoom to the desired view of your map that you want to export. Then choose "Export map" in the menu, and select "Current view"