Are you referring to the IC18 comments? Below is a report we have run to find comments that weren't coded correctly and were showing up on POs...
SELECT
"ITCOMMENT"."ITEM_GROUP",
"ITEMGROUP"."DESCRIPTION",
"ITCOMMENT"."ITEM",
"ITEMMAST"."DESCRIPTION",
"ITEMMAST"."DESCRIPTION2",
"ITCOMMENT"."R_COMMENT",
"ITCOMMENT"."COM_TYPE",
"ITCOMMENT"."BEGIN_DATE",
"ITCOMMENT"."END_DATE",
"ITEMMAST"."ACTIVE_STATUS"
FROM ("LAWSON"."ITCOMMENT" "ITCOMMENT" INNER JOIN "LAWSON"."ITEMGROUP" "ITEMGROUP" ON "ITCOMMENT"."ITEM_GROUP"="ITEMGROUP"."ITEM_GROUP") INNER JOIN "LAWSON"."ITEMMAST" "ITEMMAST" ON ("ITCOMMENT"."ITEM_GROUP"="ITEMMAST"."ITEM_GROUP") AND ("ITCOMMENT"."ITEM"="ITEMMAST"."ITEM")
ORDER BY "ITCOMMENT"."ITEM"