No there does not seem to be a single screen where you can see where your resources are being used - unless you download a mod from the steam workshop.
Without modding you will need to look in a couple of places
- the unit list under the military overview on the left hand side drop down menu to see which resources are used by your units
- The economic details screen where you can see which resources are being traded with other nations.
- I couldn't find a better way to see how many resources are used by buildings than visiting each city screen, and even then you have to know which buildings use which resource because it doesn't tell you. You can look up each building in the civilopedia on the top right menu but looking up the resource does not tell you what buildings or units use it.