Or else, In My Organization if, Site X having good high internet connection. so, if I make full Tunnel connectivity toward my X high internet site, then it will be helpful for cloud application for not?
Are you facing the same issue on the other sites? Is it possible test it with a site to site VPN tunnel?
Most of the having issues while access cloud infra hosted application, but not have issues on X Site.
So, according to you suggested, let's try to add few onsite with full Tunnel mode.
In My Organization if, Site X having good high internet connection. and if I make full Tunnel connectivity toward my X site which have high internet connection, then it will be helpful for cloud application for not?
I didn't understand your question very well, but yes if you have a link with a good connection and especially if it is a dedicated link that the ISP guarantees the functioning of that link. But keep in mind that it's a two-way street, so where your application is hosted also needs to ensure good link quality.