Hi Tony,
I together with my colleague investigated your form and found that you had PDF Paper Size/Orientation set to A4. If you reset it back to default Letter. Your form will work properly. I don’t know why it happened, but obviously the form loading complete message dialog isn’t visible when the form is fully loaded, thus you cannot dismiss it to continue to work on the form. Hope it solves your issue. At our side, we’ll look into the paper size effect on embed form.
Thanks,
Wenlan
