figure.tex

% For includegraphics
% \usepackage{graphicx}
% Enable subfigures
% \usepackage{subcaption}

\begin{figure}[h] %htpb
    \centering
    \begin{subfigure}[t]{.32\textwidth}
        \includegraphics[width=\linewidth]{subfigure1.png}
        \caption{Subcaption 1}
        \label{fig:subfigure1}
    \end{subfigure}
    \begin{subfigure}[t]{.32\textwidth}
        \includegraphics[width=\linewidth]{subfigure2.png}
        \caption{Subcaption 2}
        \label{fig:subfigure2}
    \end{subfigure}
    \begin{subfigure}[t]{.32\textwidth}
        \includegraphics[width=\linewidth]{subfigure3.png}
        \caption{Subcaption 3}
        \label{fig:subfigure3}
    \end{subfigure}
    \caption{Caption}
    \label{fig:figures}
\end{figure}

\begin{figure}[h] %htpb
    \centering
    \begin{minipage}[t]{0.49\linewidth}
        \includegraphics[width=\linewidth]{Figure1.png}
        \caption{Figure 1}
        \label{fig:figure1}
    \end{minipage}
    \begin{minipage}[t]{0.49\linewidth}
        \includegraphics[width=\linewidth]{Figure2.png}
        \caption{Figure 2}
        \label{fig:figure2}
    \end{minipage}
\end{figure}