There are several ways to convert a file or attachment into a PDF.
Method 1 - Direct from an email

1. Tap on an email to view it
2. Tap on the checkbox beside an attachment t select it
3. Tap on the action menu button to the right and then choose "Print"
4. Tap on Choose and select the Convert to PDF option and tap save. You will then have the option of where you would like to save the file, either locally or in the Cloud
5. Once saved you will be back to your list of attachments, this step can be repeated as many times as required.

Method 2 - In the Files section

1. Tap on "Files" in the left side panel
2. If your files are stored locally, check the checkbox of the file you wish to convert to PDF and tap on the Print button
3. Tap on Choose and select the Convert to PDF option and tap save. You will the have the option of where you would like to save the file, either locally or in the Cloud