I have many site collections that use a SharePoint Add-in common for most of the pages in sites and subsites. Each time when I create a new version of add-in and upload in appcatalog, I have to manually go to all the sites and follow steps - site contents> select add-in > click on upgrade >Get it . Is there anyway such that if I upload new version of an app it should automatically upgraded in all the sites?
I have tried below link from which I was able to only deploy the Add-in but not install it.
https://msdn.microsoft.com/en-us/library/office/fp179896(v=office.15).aspx#AppScope
Thanks,
Santosh