Social Campaigns -Post and Offers - FAQ
Question: What is the optimal image size for an offer or post?
Answer: 4x3 aspect ratio is optimal, but more platforms will fill in blank areas or render to the proper width. Images should be no larger than 10MB.
Question: What offers or post fields are pushed to what platforms?
Answer: Message and Offer Details

Question: Why am I limited to only one call to action?
Answer: Google Business Profile only allows one call to action per post.