Pinning feature can be enabled for Image and PDF widgets. With pinning feature you can increase low-treshold engagement by pinning images and PDFs.
You can find the settings for Pinning under advanced settings of PDF and Image widgets:
From these settings you can define the visibility of pins for users, anonymity of pins and amount of pins allowed per user.
Once Pinning feature is enabled users can see the pinning tool on the bottom right corner of the Image and PDF widgets:
By clicking the Pinning icon users can leave their pins on the content.