You can email your campaign to your recipients and after it has been sent, you can also get a link to view the email via the archive function. 

To archive an email, navigate to Workspace > Email Marketing > Campaigns. Scroll to the right in the grid and locate the Archived column. Check the box for the campaign that has been sent that you would like to archive. The campaign must be sent in order to archive it.

From the Actions menu you can view the archive list or you can get the link for the archives by clicking Get Archive Link.

From this link you have access to all the archived campaigns. You add this link to your website for the archive of all past campaigns. By right clicking on any campaign, you can copy the link address to that specific campaign to post on your website or social media.