The Vedas were "seen" by the Rishis, however, that the Rishis merely "saw" the Vedic hymns does not necessarily mean that the hymns were composed by them.
The Vedas were "seen" by the Rishis, that the Rishis merely "saw" the Vedic hymns does not necessarily mean that the hymns were composed by them. This was however. These schools accept this.