If you haven't already, please make sure you're logged in to your Pinpoint account - you can do this by browsing to https://pinpointhq.com/login and entering your work email address and your Pinpoint password (you will have set this when you signed up for Pinpoint or when you accepted an invitation from a colleague).
On the left hand main menu, click 'View Careers Page' under the 'Company' section:
You can then copy the link in the address bar and paste into an email to a candidate or colleague: