  The Fe-based superconductors (FBS) present a large variety of compounds whose
properties are affected to different extents by their crystal structures.
Amongst them, the $\it{RE}$FeAs(O,F) ($\it{RE}$1111, where $\it{RE}$ is a rare
earth element) is the family with the highest critical temperature $T_c$ but
also with a large anisotropy and Josephson vortices as demonstrated in the
flux-flow regime in Sm1111 ($T_c$ $\sim$ 55 K). Here we focus our attention on
the pinning properties of the lower-$T_c$ Nd1111 in the flux-creep regime. We
demonstrate that for H//c critical current density $J_c$ at high temperatures
is dominated by point-defect pinning centres, whereas at low temperatures
surface pinning by planar defects parallel to the $\it{c}$-axis and vortex
shearing prevail. When the field approaches the $\it{ab}$-planes, two different
regimes are observed at low temperatures as a consequence of the transition
between 3D-Abrikosov and 2D-Josephson vortices: one is determined by the
formation of a vortex staircase structure and one by lock-in of the vortices
parallel to the layers. This is the first study on FBS showing this behaviour
in a full temperature, field, and angular range and it demonstrates that,
despite the lower $T_c$ and anisotropy of Nd1111 with respect to Sm1111, this
compound is substantially affected by intrinsic pinning generating a strong
$\it{ab}$-peak in $J_c$.
