If you want to improve the plugin we will be able to implement your features. In this case we will charge only for the work that we will do but you should order our services for at least 100$
nopCommerce Downloads Manager is a plug-in for nopCommerce that enables you to specify which user roles are allowed to download documents or Excel Price Lists in a Document section from MyAccount page.
With this plugin you can create a directory where a user can upload Files / Price Lists / Apps Plugins / Packages / Archives, where each posting contains its own detailed description. Administrators can define the maximum size of the uploading file.