With the Canvas Plagiarism Framework enabled, will my assignment settings be remembered per teacher, just as they are now?
The option to Save as default settings allows teachers to save their assignment settings for future use.
Does the Canvas Plagiarism Framework include the repository option: "Do not store the submitted papers"?
Yes, when creating an assignment, you can choose where you'd like submitted papers to be stored. You can find out more about these settings here.
Which Turnitin settings can I amend when creating a Canvas Plagiarism Framework assignment?
When creating an assignment, you can customize a number of Turnitin settings to allow you to get the most out of each Similarity Report. You can find out more about these settings here.