GPDF form plugin depends on the gravity form. So you must need https://www.gravityforms.com/. Please make sure you have installed gravity form.
Filling pdf form depends on pdftk library which is not available all sever by default. To get rid this complexity, you should upload the pdf form here linkpdfform.
This plugin supports only adobe acrobat static form, does not support xfa dynamic pdf form. If you need any solution for xfa dynamic pdf form, please contact here: contact-us
We have also API but not released publicly. If you need outside gravity form, please contact us: contact-us
Limitation
Right now only one templete supports with one form. If you want more feature we are happy to enahnce the feature as your need. Please contact with us.
Screenshots
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