It will be online with no expiration. You can find your published papers in Archives>current issue if it belongs from current issue or Archives>past issue if published in earlier issues.
Yes, you can download paper format from following link.
The GRD Journals is an open membership organization. It is a small working group of general Engineering Streams Journals. Occasionally, the GRD Journals will invite a new member or guest when the committee feels that the new journal or organization will provide a needed perspective that is not already available within the existing committee. Open membership organizations for editors and others in Engineering. To join as reviewer please visit GRDJournals.com