Exporter for eForm can generate downloadable copies of submissions in PDF. You also have the ability to modify the PDF template.
Go to eForm > Exporter Settings.
There you will have two options, PDF/HTML Header and Footer. Set them accordingly.
Scroll down and enable Show Download as PDF on Trackback Pages.
Optionally set PDF Filename Prefix.
Once you save, it will show Download links on trackback and user portal pages which would generate PDFs of submissions.
To enable mailing PDFs to admins and users
Once this feature is activated, the email will have attachment PDF which would look like this.
Before version 1.6.0, this feature was available under eForm > Exporter Settings. Those settings has been deprecated and you will need to activate PDF attachment on per form basis to get it up again.