Athento has the option of converting a notification log to a PDF document as a support for sending mail.
To do this, first of all, you need to install from the marketplace the operation "file.foperations.op_generate_doc_from_notification_log" and then complete its parameters.
Document type: Label of the form where the .pdf will be stored.
Notification name: Notification template name.
When the notification is sent, a document is created in the related documents with the title "Notificacion" with the PDF binary of the mail composition.