You may ask to submit at USJ Moodle or direct link to the Turnitin system.
No, the system permission is open to teaching staff only.
You can use the Grammarly plagiarism function to make a general revision for your paper.
A complete document includes a cover page, table of contents, abstract, keywords, text, references, acknowledgements, appendices, etc.
The system will automatically exclude quotation and bibliography from within a similarity report.