For iOS: Make sure you are running the latest version of the Penta Mobile App. 

After clicking share, scroll all the way to the right on the row of apps, click more, and you should be able to see the Penta App.

For Android: Make sure you are running the latest version of the Penta Mobile App. 

Save the PDF to your device “Files” folder. Select the file in the Files app and click the top right-hand menu. Click “Send File” and select the Penta icon. 

From your Gallery app on the device click the top right-hand menu. Click “Send File” and select the Penta icon.