How can I import from a cloud file-sharing app?

I want to import a document from Google Drive, Box, and Dropbox. How can I do this?

First, download the app for the cloud file-sharing app onto your iPad.

Then, open TruQC and tap on 'Library.'

Tap on 'Import' in the lower lefthand corner. You can the browse the PDF documents located in the files of your cloud sharing apps. Tap on the document to import into TruQC.