If you do not upload a resume now, you will be asked to send one after your application is reviewed.
Think of a 1 being "You guys are great but I am considering LOTS of other options" and a 10 being "Holy Smokes! This checks all the boxes for me and I would do really well - PICK ME!!"
Traffic offenses and many misdemeanors are acceptable, but felonies and pending charges may bar you from obtaining a license. List any criminal, financial, etc information that will be found on a extensive background check.