Google cloud print. Android Apps on Google Play, will allow you to print a PDF with custom range and choose target as 'Save as PDF'. For your task, you can open the PDF->Print->Select range (30-90)->Save as PDF.
The following are your free PDF document to print and save in Google cloud print. 1 2 3 4 5 6 7 8 9 10 11 12 Now you can save it to your computer. For other PDF-file on Google web for download to your phone and tablet. Download. You can create PDF-files on Google Play and share them by Email in cloud print. Here. Note.