Copy and Paste Steps:
yum install -y xorg-x11-fonts-75dpi
yum install -y xorg-x11-fonts-Type1
wget http://download.gna.org/wkhtmltopdf/0.12/0.12.2.1/wkhtmltox-0.12.2.1_linux-centos7-amd64.rpm
rpm -Uvh wkhtmltox-0.12.2.1_linux-centos7-amd64.rpm
wkhtmltopdf http://www.google.com.ph google.pdf