With Nutshell email marketing outreach, you can upload files and send them to your audiences.
There isn't a way to directly attach a PDF like a regular file attachment (this is a good thing–they can get your emails flagged as spam!), but you can upload the PDF and insert it as a link into your emails.
To do so, you'll create a link in your email:
Next, choose "File Manager":
From there, you will be guided through uploading your PDF and inserting it into your email.
You can do the same using a button in your Outreach message:
Create your button, then use the "Link file" option:
There you have it!