MS Replication does not support COLUMN_SETS but you can enable MS Replication for all other columns
but when you start a task to replicate a SQL table which contains SPARSE column the code checks if the table contains any columns that are sparse and will not try to process it even if we are not replicating COLUMN_SETS or SPARSE Columns.
If we allow the other columns in the table to replicate then a Source_lookup can select the COLUMN_SET and return all the sparse columns in one go