Here are some resources to learn all about AAC, as well as access continuing education units (CEU's) and certification maintenance hours (CMH's).
AAC Assessments & IEP's
Aided language stimulation
Modeling AAC Tips on YouTube
Eye Gaze & CVI
Information for parents/teachers
Supporting Literacy Skills
Tobii Dynavox Live Training Events (free - ASHA CEU's)
Tobii Dynavox Recorded Course Catalog (free - ASHA CEU's)
AAC for the SLP (Facebook group)
Ask Me, I'm an AAC User (Facebook group)
Rachel Madel Videos & Podcast
Speech Without Limits YouTube Channel
I hope this article is helpful on your AAC journey!