Now for your signature signing problem, we have SuiteCRM DocuSign plugin where you don't have to move here and there folks to sign a document. Here the plugin offers some features like you can maintain customers' history here.
We offer 5% discount to our clients on our plugins that are available in our store. Just use our plugins and enjoy this scheme which already started from 1st December and will end on 8th December 2019. Hurry up!