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Unfortunately, there's no option to setup the email notifications for the uploaded PDF forms. But I will send a feature request about it to our developers, although, I'm unable to guarantee that it will be implemented anytime soon.
We will update you on this thread if there's any news on this.
For the meantime, you might need to recreate the form using our online form builder so that you can take advantage of the advance features that we have. Here's a comprehensive user guide that you can check.
Thank you for understanding..