Install Dependencies
yum install fontconfig libXext freetype libpng zlib libjpeg-turbo libpng libjpeg openssl icu libX11 libXext libXrender xorg-x11-fonts-Type1 xorg-x11-fonts-75dpi
Install wkhtmltopdf
sudo yum install -y https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox-0.12.5-1.centos7.x86_64.rpm
Test
wkhtmltopdf http://www.google.com google.pdf Src:: https://otodiginet.com/software/tools/how-to-install-and-using-wkhtmltopdf-on-centos-7/