Hello @PRCStanly ,
It sounds like your account has recently been switched over to the Cross-Device Editor's template selection screen, which doesn't currently have that Import PDF function at the moment. While the engineers are working on adding that functionality, you can still create an email from a PDF using a blank / basic template, then uploading your PDF while working in the editor.
Another option would be to utilize this link while logged into your account: http://login.constantcontact.com/login/login.sdo?goto=https%3A//em-ui.constantcontact.com/em-ui/em/page/import/setup
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