"To accompany the text" means to go together with or to be paired with written or verbal information in order to provide additional support, explanation, or examples. Full definition
The show features 18 photographs with accompanying text that allow a viewer access to places and scenes not typically viewed by the public. (27east.com)
They are also incorporated into the exhibition in the form of accompanying texts, many derived from the artist's postcards. (museumpublicity.com)
See also accompanying text on pages 92 - 93. (planet3.org)