diff --git a/Gemfile b/Gemfile
index 281616aadc5..d334b2634f8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -45,6 +45,8 @@ gem "parallel"
 gem "paranoia", "~> 2.2"
 # PDF Tools
 gem "pdf-forms"
+# Used in Caseflow Dispatch
+gem "pdfjs_viewer-rails", git: "https://github.com/senny/pdfjs_viewer-rails.git", ref: "a4249eacbf70175db63b57e9f364d0a9a79e2b43"
 #Used to build out PDF files on the backend
 #https://github.com/pdfkit/pdfkit
 gem "pdfkit"
diff --git a/Gemfile.lock b/Gemfile.lock
index a55605e8e50..710c4378d8d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,6 +73,15 @@ GIT
       rainbow
       selenium-webdriver
 
+GIT
+  remote: https://github.com/senny/pdfjs_viewer-rails.git
+  revision: a4249eacbf70175db63b57e9f364d0a9a79e2b43
+  ref: a4249eacbf70175db63b57e9f364d0a9a79e2b43
+  specs:
+    pdfjs_viewer-rails (0.0.9)
+      rails (> 4.2.0)
+      sass-rails (~> 5.0)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -761,6 +770,7 @@ DEPENDENCIES
   parallel
   paranoia (~> 2.2)
   pdf-forms
+  pdfjs_viewer-rails!
   pdfkit
   pg
   pluck_to_hash
diff --git a/config/routes.rb b/config/routes.rb
index c1aa7f6045b..b3390b552a2 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -368,6 +368,8 @@
 
   get "tableau-login", to: "tableau_logins#login"
 
+  mount PdfjsViewer::Rails::Engine => "/pdfjs", as: 'pdfjs'
+
   get "unauthorized" => "application#unauthorized"
 
   get "feedback" => "application#feedback"