No, the next SNU won't be awarded until 18,000 points.
https://all.accor.com/loyalty-progra...ditions-en.pdf
On reaching or obtaining Platinum status (as outlined in Article 8 of the Terms and Conditions of Membership), Members receive two (2) Suite Night Upgrades are credited to their account. When a Platinum Member has earned 18,000 Status Points, a third Suite Night Upgrade is then credited to the account. The Member receives an additional Suite Night Upgrade each time an additional 4,000 Status Points have been earned, for example, a fourth Suite Night Upgrade on reaching 22,000 Status Points, a fifth on reaching 26,000 Status Points and so on, up to a maximum of twelve (12) Suite Night Upgrades per calendar year.