Hi,
please check it with the last Android Studio version, here:
www.radaeepdf.com/download/download-andr...le/41-radaeepdf-3-5b
..and let us know if the issue persists.
Yes there is a size limit, to upload these file you can create a support ticket here
www.radaeepdf.com/support/tickets
address it as bug submission and upload your document.