Visual communication is beneficial for many reasons
Some of them are as follows

Transcends language barriers and effective for illiterate receiver: Ambiguities are more common with only oral communication, especially now with globalization, as people from diverse backgrounds and linguistic abilities are working together. If the receivers are illiterate, the visual communication will be more effective to exchange information. They can easily understand the information that is presented visually.

Another advantage is simplicity. Often visual communication can simplify the information of ideas that you are seeking to pass on to others.

Visual communication can also be more flexible in many ways than verbal communication. Visual communication not only bridges geographic distances, it can span cultural references.

You want your audience to remember your brand story and visuals can help to do this as pictures can convey more of what you want to say. You can make your audience feel a certain way about your brand by what you show and this will help them to remember you. A picture is retained in our memory longer than words or quotes. Research shows that people remember visuals the best, followed by speech, accompanied by reading.

You can use an array of visual ideas in your content to convey your brand identity which ultimately helps your target audience identify with you. For example, if they can see you have a sense of humour you will appear more human to them and not just another corporate entity.