The Anvl app allows users to add photos to their workflows. Depending on the workflow, and the settings determined by your organization's leadership, the ability to add photos from your device may vary.
On workflows and questions that allow for media upload, simply press the "Add Media" button and select either "Add Photo from Media" or "Add Video from Media" to add to your workflow.
Additionally, you can always "Add a Note" to a completed workflow by following the steps in this article.