How to embed fillable forms on your website with PDFForms.

Go to PDFforms > Settings to connect PDFForms plugin to your PDFfiller account.
Set any other preferences you may have and save them.
Go to PDFForms > Add new.
Enter a name for your form and click Select template on the right to choose a fillable form in your PDFfiller account.
Click Add fillable fields in the tools panel. A list of all fillable fields in the form will be displayed.
The field names are the same as those you set in PDFfiller.
Select the field you want to insert in your form and click Insert.
Once you’ve added all necessary fields, click Cancel.
Set up other options for a given form: enter an email address to send a submitted form,
choose a location for the Submit button and enter texts for success and fail messages.
Click Publish.
To embed a newly created form on your page or post, click Add Fillable Form in the tools panel
and select the form you want to add.
Insert the shortcode of the form anywhere in the content.