I actually found myself the solution:
Word.Selection.GoTo(2,2)
% 2: wdGoToTable
% 2: wdGoToNext
% https://docs.microsoft.com/fr-fr/office/vba/api/word.selection.goto
Then move into the table with:
Word.Selection.MoveDown
Word.Selection.MoveLeft
Word.Selection.MoveRight
...