Yes. You can export your designs via File > Export design which will export a project file that other users can then import into their own account.
You are allowed to then sell this as template on sites such as CreativeMarket or share it for free.
You can also share a direct URL for users to edit your design via the share button.
We also have a private beta marketplace contributor program where you can submit your designs to earn money. You can contact us to learn more.