Is there a spell that allows a Ranger to see through her Animal Companion's eyes,

[Chalice]

A character of mine has a hawk and it would be awesome to scout with it.

[Grey_Mage]

Only one way I'm aware and its not a spell.

Advanced Player Guide - Beast Master Archetype for Ranger

Note: PFA dictates you can only have 1 animal in combat so you lose out on some of this archetypes flexibility in PFS.

[Lou Diamond]

Hunters gain the ability to use their companions senses.

[Chalice]

Hunter? What book, what page?