From the yum info:
Name : root-graf-postscript
Arch : x86_64
Version : 6.14.00
Release : 2.el7
Size : 456 k
Repo : installed
From repo : epel
Summary : Postscript/PDF renderer library for ROOT
URL : https://root.cern/
License : LGPLv2+
Description : This package contains a library for ROOT, which allows rendering
: postscript and PDF output.
And the dependencies also installed are:
dwz.x86_64 0:0.11-3.el7 gcc-c++.x86_64 0:4.8.5-28.el7_5.1
gnu-free-fonts-common.noarch 0:20120503-8.el7 gnu-free-mono-fonts.noarch 0:20120503-8.el7
gnu-free-sans-fonts.noarch 0:20120503-8.el7 gnu-free-serif-fonts.noarch 0:20120503-8.el7
google-droid-sans-fonts.noarch 0:20120715-12.el7 libAfterImage.x86_64 0:1.20-9.el7
libXfont.x86_64 0:1.5.2-1.el7 libfontenc.x86_64 0:1.1.3-3.el7
libstdc++-devel.x86_64 0:4.8.5-28.el7_5.1 lz4.x86_64 0:1.7.5-2.el7
perl-srpm-macros.noarch 0:1-8.el7 redhat-rpm-config.noarch 0:9.1.0-80.el7.centos
root-cling.x86_64 0:6.14.00-2.el7 root-core.x86_64 0:6.14.00-2.el7
root-fonts.noarch 0:6.14.00-2.el7 root-graf.x86_64 0:6.14.00-2.el7
root-graf-asimage.x86_64 0:6.14.00-2.el7 root-graf-gpad.x86_64 0:6.14.00-2.el7
root-graf-x11.x86_64 0:6.14.00-2.el7 root-graf3d.x86_64 0:6.14.00-2.el7
root-gui.x86_64 0:6.14.00-2.el7 root-gui-ged.x86_64 0:6.14.00-2.el7
root-hist.x86_64 0:6.14.00-2.el7 root-hist-painter.x86_64 0:6.14.00-2.el7
root-icons.noarch 0:6.14.00-2.el7 root-io.x86_64 0:6.14.00-2.el7
root-mathcore.x86_64 0:6.14.00-2.el7 root-matrix.x86_64 0:6.14.00-2.el7
root-minuit.x86_64 0:6.14.00-2.el7 root-multiproc.x86_64 0:6.14.00-2.el7
root-net.x86_64 0:6.14.00-2.el7 root-physics.x86_64 0:6.14.00-2.el7
root-tree.x86_64 0:6.14.00-2.el7 root-tree-dataframe.x86_64 0:6.14.00-2.el7
root-tree-player.x86_64 0:6.14.00-2.el7 root-vecops.x86_64 0:6.14.00-2.el7
urw-fonts.noarch 0:2.4-16.el7 xorg-x11-font-utils.x86_64 1:7.5-20.el7
xorg-x11-fonts-ISO8859-1-75dpi.noarch 0:7.5-9.el7 xxhash-libs.x86_64 0:0.6.5-1.el7