get https://{baseUrl}/V1/storeview//omnyfy/attachment
Use endpoint to download attachment as a stream. Provide Authorization header of MO.
Sample Curl - curl --location --globoff 'https://mygatewayurl.com/V1/storeview/{store-code}/admin/attachment?filename=media/tmp/vendor-sign-up/232/uuid.pdf' --header 'Authorization: Bearer 5rc13h8f5i454wbstupq85ed3g87zw85'