Speech-language pathologists can help with:
Speech delays and disorders including articulation, phonology and motor speech disorders.
Language delays and disorders, including expression and comprehension in oral and non-verbal contexts
Fluency disorders, including stuttering.
Voice and resonance disorders.
Swallowing and feeding disorders in adults, children and infants.
Cognitive-communicative disorders including social communication skills, reasoning, problem solving and executive functions.
Pre-literacy and literacy skills including phonological awareness, decoding, reading comprehension and writing.
Communication and swallowing disorders related to other issues. For example, hearing impairments, traumatic brain injury, dementia, developmental, intellectual or genetic disorders and neurological impairments.

Source: https://www.sac-oac.ca/public/what-do-speech-language-pathologists-do