Our software "pdfMachine - Word Mail Merge" allows you to email your
merged Word documents as PDF attachments.

For more info, read
http://www.pdfmachine.com/et/pdfmachine_mail_merge.html

We plan to release a new version next week, it will include a lot of
fixes and new features, such as supporting html editing of the email
body, embed merge fields in the body of the email and a test email
mode.