@konceptual99
Here are the salient words from the official website quote.
When Does Jesus Appoint the Slave “Over All His Belongings”?
Jesus’ appointment of the “slave” over his “belongings,” then, must also be a future event. He will make that appointment during the great tribulation.
What Are Jesus’ “Belongings”?
Jesus’ “belongings” thus include more than just his earthly interests. They include the Messianic Kingdom.—Philippians 2:9-11.
Consequently, Jesus will reward “the faithful and discreet slave” by resurrecting the individual members of that group to heavenly life and by giving them royal authority over all Christ’s belongings in heaven and on earth.
Summary:
1. The FDS is appointed over Christ's belongings in the future.
2. The Belongings are both earthly and heavenly.
3. Consequently (therefore) Christ will (future tense) resurrect the members and give them authority over the belongings (which we just learned is future).
Put another way, why would any be resurrected to heaven before they are given roles/authority there, what would they be doing?
So even though the WT have not written it in plain language (do they ever?), what conclusion can you draw except that the FDS resurrection is still future, tied to the approval and reward?
Splash.