army proceedings of discharge

[llangatwg]

I have a copy of army proceedings of discharge from ancestry.
i was told that if i have this in my possession then i should be able to find out how long a pension was paid and when the person died.
is this correct and where do i get information from please.
the gentleman lived in brecon and was stationed at Chatham.  A sapper first world war.
thanks

[llangatwg]

would any member have access to forces war records please.  i have all his details.  thanks