If you don't currently have a Facebook page or want to add another, you can do so by selecting Add A Page from Select A Profile:
This will launch the "Add New Page" popover. Click Set up a new business fanpage on Facebook.
Add your page info, like name, type of company, and location.
Add a logo, a description of your business/service and contact info like your address, phone number and website. Once you are done click Create Page.
Once your page is created, click Start Now to begin using Pagemodo tools to publish content to Facebook.