1st formula
CASE WHEN {systemnotes.field} = 'Document Status' AND {systemnotes.newvalue} = 'Approved for Posting' THEN TO_CHAR({systemnotes.date}, 'MM/DD/YYYY HHMISS') END
2nd formula
CASE WHEN {systemnotes.field} = 'Document Status' AND {systemnotes.newvalue} = 'Approved for Posting' THEN TO_CHAR({systemnotes.name}) END
4th formula
max(to_char(substr({systemnotes.name},1,4000)))keep(dense_rank last order by{systemnotes.date})
3rd formula to include any further edit
TO_CHAR({systemnotes.date}, 'MM/DD/YYYY HHMISS')