To publish all elements at once, please follow below guide to proceed:
Mouse over to Artist drop down list, and click on “Elements”.
You will see all the elements you uploaded in Manage My Elements.
To publish all elements at once, click on the ” ▾ ” drop down list next to Publish for Sales and select “Publish All”.
You will see a pop up window confirming if you want to publish all your elements. Click “Publish All” to confirm.