When you are going to use your company information as a part of proposal with the help of placeholder/ variable, your company page needs to have correct details; else proposal sent to your prospects will show dummy information (if you have entered it that way).
Access your Company Info details
Update your company details
To Display Company Logo on Fresh Proposals Application
When you add logo and tick the option 'Allow Custom Branding' company information, it will start showing in your account as follows.
When you enable the option, see how it will look in your Fresh Proposals account. All your employees will see your own logo.