It helps in getting the latest updates and announcements internal to the organization, it keeps the resources to get the updates on the recent joiners, birthday, anniversary updates with regards to resources. The best part is it is integrated with outlook 365 as an app to navigate to the yammer tool, in short, it's a social media of an organization Review collected by and hosted on G2.com.
I don't see any cons in particular but one thing is for sure people have stopped using it or checking it regularly for updates as it hasn't got any features updates that look interesting to the user. Rare times there is an issue in uploading and downloading the attachment and also adding the members to the created group. They need to focus on the utilization of the tool by the resources, It's towards the depreciated stage. Review collected by and hosted on G2.com.
