No, sharing a family tree is not the same as sharing a report. Just because someone is sharing your family tree does not mean that they can view any of your reports. If you would like someone to share your DNA test reports, you will need to send separate invitations for sharing each individual report. Sharing tree and sharing reports are completely separate and unrelated access types.
If I have already taken an ancestry test and wish to order an upgrade, is a new kit required or can you use the DNA from my original kit?
A recollection may not be required for your ancestry upgrade test if you had recently taken an ancestry test. If