Question to agencies using client portal for signing of treatment plans

Am looking for others experience with using client portal to facilitate timely signing of treatment plans by parent/or guardian of minors. Our agency is considering this -- but are also aware there is some significant front end work by admin to get each client signed up. Given your experience, is it worth it? Did timely signing of Tx plans go up? What do your clients say about the experience. 

Any other feedback about your experience using this feature will be greatly appreciated.

Thank you.

Jill