Cambridge University now has access to Eustathius of Thessalonica’s commentary on the Odyssey at this link.
“Eustathius (c. 1115-1195), was archbishop of Thessalonica, and before that a successful teacher and rhetorician in Constantinople during the reign of Manuel I Komnenos. In connection with his activities as teacher and orator, he produced what he termed parekbolai on the Odyssey and the Iliad … ” – preface to the edition representing “the latest and most fully revised version of the text”.
The Commentary can be found via the A-Z of e-resources and in iDiscover shortly.

Ulysses and Telemachus kill Penelope’s Suitors by Thomas Degeorge (1812)